All projects
Since 1997 NLnet foundation has funded many projects, on many different layers of the internet as well as on capacity building, standards setting, open hardware, software licenses and education.
Projects supported by NLnet foundation inlude:
| project | end | |
|---|---|---|
| #Seppo! | Portable ActivityPub implementation | |
| 0cpm | 2013 | 0cpm, open firmware for digital telephony |
| 0KNOW | Group Theoretic Zero-knowledge Proofs (0KNOW) | |
| 802.11n feature of openwifi | Open Hardware implementation of wifi | |
| A Distributed Software Stack For Co-operation | 2020 | Facilitating easy ad hoc cooperation |
| A proof of concept of identity-based encryption | Make encryption simpler | |
| A Secret Key Store for Sequoia PGP | Standards-compliant private key store for OpenPGP | |
| A-A-P | 2003 | tools for developing, distributing, and installing software |
| AALT (Accelerated Analog Layout Tool) | More efficient analog layout generation for chips) | |
| AbiCollab | 2013 | AbiWord Telepathy and SIP backends |
| AbiMacOS | 2011 | Port Abiword to MacOS |
| AbiRDF | 2012 | Abiword RDF |
| AbiRDF2 | 2013 | Abiword RDF-2 |
| Accessible security | Integration effort of independent security efforts like Qubes, Heads, coreboot, etc | |
| ActivityPods | Framework for fully-decentralized social apps, combining ActivityPub and Solid Pods | |
| Adding TPM Support to Sequoia PGP | Implement use of TPM 2.0 crypto hardware for OpenPGP | |
| Adding Web-of-Trust Support to PGPainless | Web-of-Trust specification support for Java | |
| Adera | Relevant scientific research results | |
| Adopting the Noise Key Exchange in Tox | Improved security of Tox instant messaging with NoiseIK | |
| AEAP | Automated e-mail address porting to a new provider | |
| Aerogramme | Standards-compliant open-source IMAP server with server-side encryption | |
| AGFL | 2002 | parser generator system for natural languages |
| AHA! | 2003 | transparent adaptive functionality for web servers |
| AI-VPN | Local machine-based learned analysis of VPN trafffic | |
| Alder Lake Desktop | Open firmware for widely used Desktop/Workstation motherboard | |
| ALIAS | 2003 | analysis of legal and technical implications of the use of software agents |
| Ambulant | 2007 | providing a reference SMIL 3.0 implementation |
| Analog/Mixed-Signal Library | OSHW component library for ASIC design | |
| Anchorboot | Pre-built UEFI replacement firmware for ARM-based ChromeOS devices using coreboot/U-Boot | |
| Anomos | 2011 | a pseudonymous, encrypted multi-peer-to-peer file distribution protocol |
| Anonymisation for Data Donations | Facilitate platform scrutinization through anonymised data contributions | |
| Apicula | Open source tools for working with Gowin FPGAs | |
| Arcan-A12 | Explorative p2p protocol for fast and secure remote desktops | |
| AREXERA Crawler | C++ based web crawler | |
| Ari | Purely functional programming language designed to "type" binary files | |
| Armbian | Versatile OS for ARM-based single board computers | |
| ARPA2 | 2017 | Working towards a decentralised global internet that offers security and privacy by design. |
| ARPA2 LDAP Middleware | Privacy enhancing middleware | |
| ARPA2 resource ACL and HTTP SASL modules for NGINX | Extend consistent access control to NGINX webserver | |
| ARPA2 Steamworks | 2019 | ARPA2 Steamworks |
| ARPA2 Steamworks | Near-instantaneous controlled configuration settings over any network | |
| ArtistHub | Allow creative artists to gain visibility and build reputation on the web | |
| Assessing Cyber Security | 2015 | This report aims to assessing what we know about cyber security threats based on a review of 70 studies published by public authorities, companies, and research organizations from about 15 countries over the last few years. It answers the following questions: what do we know about the number, origin, and impact of cyber attacks? What are the current and emerging cyber security trends? And how well are we prepared to face these threats? |
| Atom-Based Routing | 2003 | Improving global internet routing by implementing atom-based routers. |
| Atomic Data | Typesafe handling of LinkedData | |
| Atomic Tables | Self-hostable tabular structured data solution | |
| Audio/Video Calls in Libervia | Encrypted Audio/Video Calls in multi-frontend XMPP client | |
| Authenticated DNSSEC bootstrapping | Secure in-band announcements of DNSSEC parameters | |
| Autocrypt for Thunderbird | Make email encryption extremely simple | |
| Automated clearing of source code files | More efficient retrieval of security and license compliance contextual information | |
| Automating mobile app interception with Frida | Mobile app network introspection for security research | |
| Babelia | Search engine and crawler in Scheme | |
| Balthazar | One laptop for the new internet age. | |
| Balthazar - One laptop for the new internet age. | A secure fully open hardware laptop | |
| Balthazar Casing | Open hardware laptop | |
| Bana | Personal network oriented ActivityPub powered social networking | |
| BB3-CM4 | CM4 compatible MCU board | |
| BBBsecureChat | Add E2EE instant messaging to Big Blue Button meetings | |
| Bertie | Formally verified TLS 1.3 implementation | |
| betrusted | A protected hardware device for your private matters. | |
| Betrusted OS | An embedded OS for cryptographic devices | |
| Betrusted software | A minimalist and secure OS for embedded communication devices | |
| Betrusted Storage | Plausably deniable encrypted storage | |
| binary-analysis-ng improvements | Integrate Kaitai in binary-analysis-ng | |
| BIND DLZ | 2005 | BIND 9 Dynamically Loadable Zones implementation |
| Bitmask | User-friendly and secure VPN configuration | |
| Bits of Freedom | 2006 | support for Bits of Freedom |
| BlenderWeb | 2009 | free 3D animation and compositing suite |
| Blink Qt Messaging | Add modern encryption to SIP softphone | |
| Blink RELOAD | Secure P2P real-time communications with RELOAD | |
| BlockNote | An modern, open source Block-based editor | |
| Bonfire federated groups | Create, join and manage federated groups across instances | |
| Bonfire Search & Discovery | Improving search and discoverability in the Fediverse | |
| Briar | 2020 | A secure messaging app with offline capabilities |
| Briar Desktop | E2EE online and offline messaging and discussion | |
| Bricophone | 2009 | community-oriented mobile phone infrastructure |
| Build Transparency (Trustix) | Towards a decentralized supply chain for software | |
| Cable | A new wire protocol for cabal (and beyond) | |
| CAcert | support for CAcert | |
| CAIEC | 2008 | Investigate information offered by consumer organisations |
| Calligra-SVG | 2012 | Improve fallback mechanisms in Calligra ODF loading and saving. |
| Calligra-Windows | 2012 | Bringing Calligra Suite to Windows |
| Canaille | Zero-knowledge opinionated OpenID Connect (OIDC) server. | |
| Canarytail | Warrant canary standardization and automation | |
| Caster | Open-hardware high-refresh-rate electrophoretic display controller | |
| Castopod | Podcasting in the fediverse | |
| Castopod Mobile | Userfriendly mobile podcasting application | |
| Castopod Plugins | Add plugins to the Castopod podcast server | |
| CeroWRT | 2018 | an experimental firmware to push forward the state of the art of edge networks and routers. |
| CeroWRT II | Make Wi-Fi routers faster and more reliable | |
| Certbot ECDSA support | ||
| Charon | Privacy-enabling account management and SSO solution | |
| Chips4Makers ASICs | ||
| choreo-rs | Choreography programming language integrated with the Rust ecosystem | |
| Choreographic Programming: From Theory To Practice | Generating a standard library of core distributed algorithms with formal proofs | |
| Cloud hosting service portability | Service portability for cloud hosting platforms | |
| CNSPRCY | E2EE connections between trusted devices | |
| CodeYard | 2008 | Open-Source software development for students in secondary education |
| Coko Docs | A modern, open source replacement for Google Docs and Drive | |
| CokoDocs | Add ODF, legacy office and PDF capabilities to CokoDocs | |
| Collabora Online and LibreOffice | Improved visual document search for cloud service | |
| Collabora Online/LibreOffice Accessibility | Private and accessible collaborative editing with Collabora Online/LibreOffice | |
| Coloquinte | High performance placement of cells inside digital electronic circuitry | |
| Condensation Data System | CRDT-driven data store that guarantees data ownership | |
| Conferences | 2010 | Sponsoring of various conferences |
| Connect by Name | Library for easy connection setup | |
| Converged Security Suite Improvements | Open source tooling for BIOS configuration | |
| Conversations | 2020 | A secure mobile messaging client |
| Conversations 3.0 | Secure and standards-compliant XMPP client for Android | |
| Conzept encyclopedia | An alternative encyclopedia | |
| Corteza Discovery | (Geo)search and discovery within federated services | |
| CP2PC | 2003 | common programming interface for peer-to-peer systems |
| CPAN6 | 2011 | collecting collections of digital information |
| Cryptech.is | 2015 | An open source open hardware security module to protect communications |
| CryptoLyzer | Cryptographic settings analyzer library | |
| CryptPad | Real-time collaboration with client-side encryption | |
| CryptPad Auth | Implement external identity mechanisms to E2EE collaborative editor | |
| CryptPad Blueprints | Server-side encrypted collaborative editor | |
| CryptPad for communities | Collaborative web editor with client-side encryption | |
| CryptPad: Project Dialogue | Secure surveys and polls for Cryptpad | |
| CUGAR | 2011 | Implement a Wireless Access Point and a back-end |
| CuteHIP | 2010 | lightweight implementation of Host Identity Protocol (HIP) on Java |
| DANCE4All | Implement DANCE specification in GnuTLS and MbedTLS | |
| Dat Private Network | Private storage in DAT | |
| DATALISP | Universal data interchange format using canonical S-expressions | |
| DAVx⁵ | Share Contacts, Calendars, Tasks, Notes & Journals | |
| DCnets | Implementation of Dining Cryptographers Network | |
| Debug Adapter with Nix | Implement the Debug Adaptor Protocol for Nix | |
| Decibel | 2007 | service architecture for multi-media based communication |
| Deep Firmware | 2017 | Active discovery of known and unknown security vulnerabilities in firmware |
| DeltaBot | 2020 | Social discovery over mail-based chat |
| DeltaChat/WebXDC | Portable private apps that can be shared in e.g. chat | |
| Democratic SendComm | Easy to use connected open hardware device | |
| dhcpcanon | Network configuration with better privacy | |
| DIFR-TSPM | 2009 | a demonstrator of a different way to inform consumers about the RFID tags |
| DIME | 2019 | A new encrypted, end-to-end email protocol |
| Dino | User-friendly and secure instant messaging | |
| Discourse ActivityPub | Connecting internet discussions with ActivityPub | |
| Discover and move your coins by yourself | A safe way to explore and work with cryptocurrency forks | |
| Distributed Mechanism Learning | Privacy preserving ways of distributed data usage | |
| Distributed Private Trust | Decentralised trust and reputation system | |
| Distributed Trust for Web Servers | Establishing a Distributed Trust Authority | |
| DMT | Implementation of MOSFET Parameter Extraction Flow for Sky130 into DMT | |
| DNSCCM | 2012 | DNS NSCP implementation for BIND and NSD |
| DNSSEC Key Signing Suite | A best practise for DNSSEC Key Signing | |
| DNSSEC-mail | 2013 | DNSSEC for OpenDKIM and OpenDMARC |
| Dolphin authorisation | Avoid privilege escalation in the Dolphin file manager | |
| Donations | smaller contributions to various activities | |
| Dowse | 2016 | Dowse is a smart digital network appliance for home based local area networks. |
| dream2nix | Automate reproducible packaging for various language ecosystems | |
| DRTM implementation for AMD processors | Unified framework for dynamic RTM | |
| Dual-level Specification Inference | Make formal verification more practical with dual-level Specification Inference | |
| dweb-search | Index DHT based distributed webs | |
| Dynamic indexing for real time graph database | Provide faster query results through algorithmic preprocessing | |
| e-Passports | 2009 | use of (hardware) electronic passports for user authentication over internet |
| Earthstar | P2P protocol and APIs for collaborative and social applications | |
| Earthstar (Encryption, Safety, and Local Sync) | Improve security, encryption and sync capabilities in Earthstar CRDT | |
| Edalize ASIC backend | Create open hardware silicon with a fully free software toolchain | |
| EDeA | Repeatable, automated measurement data capture | |
| EDeA | A forge suitable for open hardware development | |
| eduVPN | Making secure VPN network technology available to everyone | |
| eduVPN app | Add Wireguard protocol to federated VPN suite | |
| eduVPN multi-protocol | Review of the eduVPN multi-protocol project. | |
| eduVPN on Apple | eduVPN for Apple devices | |
| eduVPN on Apple part II | Improved version of eduVPN for Apple devices | |
| EEZ DIB | EEZ DIY Instrument Bus | |
| EEZ Studio | Open source tooling for measurement and test equipment | |
| EGIL SCIM client | System for Cross-domain Identity Management | |
| ELF Linking | Analytic tools for UNIX' Executable and Linkable Format | |
| elRepo.io - Resilient, distributed content sharing | Resilient, human-centered, distributed content sharing and discovery. | |
| Email for expert news | Keep up to date with a flow of publication | |
| Encoding for Robust Immutable Storage (ERIS) | Encrypted and content-addressable data blocks | |
| End-To-End Encryption for Jitsi Meet | Proven strong encryption for open source video conferencing | |
| Etebase - protocol and encryption enhancements | Redesign EteSync protocol and encryption scheme | |
| EteSync - iOS application | Encrypted synchronisation for calendars, addressbook, etc | |
| Ethersync | Real-time co-editing of local text files | |
| Event Federation Plugin for WordPress | Add ActivityPub to events created with most common WordPress event plugins | |
| EventFahrplan | Conference schedule app with strong offline capabilities | |
| Explain | Deep search on open educational resources | |
| Explain Direct | Providing effective and efficient access paradigms for open educational material | |
| Extend EFI support in BSDs | Bring automated firmware update to BSDs | |
| Extending PeerTube | Adding advanced search capabailities to PeerTube | |
| Exter | Proxy-based external browser extensions | |
| FABulous Demo SoC | SoC with open source FPGA based on FABulous | |
| FairSync | Simplify aggregation and discovery of places and events | |
| Fairwaves | 2013 | Fairwaves |
| Fashion Freedom | Supporting research, development, and education to bring the fashion industry into the 21st century | |
| Fast RSA + PQ Blind Signatures | Fast multiprecision integers for blind RSA and Post-Quantum signatures | |
| Faster and configurable datapath/Linux xfrm | 2019 | Rewriting nftables to optimise for xfrm |
| Federated software forges with Gitea | Add ActivityPub based federation to Gitea | |
| Federated software forges with Gitea | Use W3C ActivityPub to federate amond software forges | |
| Federated Task-Tracking with Live Data | Track tasks and issues in a federated way | |
| Federated Timesheets | Interoperable machine-readable time tracking | |
| Fediverse Test Framework | Test bench for ActivityPub implementations | |
| fediverse.space | Find your way in the Fediverse | |
| FemtoStar Project | Open Hardware Communications Satellite | |
| FFII | 2008 | support for the Foundation for a Free Information Infrastructure |
| FileSender | FileSender is a secure and private way to share large files with anyone. | |
| Finish porting Replicant to newer Android version | Alternative, free software version of Android | |
| First Classify Documents | Categorise different types of official documents | |
| Fix the Pitch Black Attack in Freenet routing | A decentralized distributed platform for private communication | |
| Flarum | Add federation and much more to the extensible forum software Flarum. | |
| FLOSS | 2008 | Stimulating FLOSS dissemination in The Netherlands |
| FLOSS-manuals | 2009 | on-demand printing of Open Source manuals |
| Fobnail | Remote attestation delivered locally | |
| Folksonomy engine for the food ecosystem | Data modelling by the community | |
| ForgeFed | Federation for software collaboration tools | |
| ForgeFed | Federating software forges with ActivityPub | |
| Forgejo | An open source software forge with a focus on federation | |
| FOSS Code Supply Chain Assurance | Mitigate attacks through software dependencies | |
| FOSS Code Supply Chain Assurance II | Add approximate matching capabilities to software vulnerability discovery | |
| Fractal | Native client for the Matrix protocol | |
| Free Software Vulnerability Database | A resource to aggregate software updates | |
| Free Software Vulnerability Database | A resource to aggregate software updates | |
| FreeBSD-3G | 2010 | network drivers for 3G cards on FreeBSD |
| Frictionless Standards (v2) | New version of the Frictionless Standards specification + improved tooling | |
| Friendly Forge Format (F3) | Proposed Standard for secure communication between software forges | |
| FSF | 2008 | support for the Free Software Foundation |
| FSF Europe | 2010 | support for the Free Software Foundation Europe |
| FSF Priority | 2010 | stimulating High Priority Projects of the Freedom Software Foundation |
| FTEproxy | 2015 | FTE enables developers to build systems resistant to surveillance and censorship. |
| Full-source GNU Mes on ARM and RISC-V | Expand full-source bootstrap to other CPU platforms | |
| Funkwhale | ActivityPub-driven audio streaming and sharing | |
| Funkwhale | ActivityPub-driven audio streaming and sharing | |
| fwupd | Automatic Firmware updates for BSD operating systems | |
| Garage | Lightweight geo-distributed data store compatible with Amazon S3 | |
| Gash | Port Gash to GNU Mes for auditable bootstrap | |
| GDPR Compliance | 2018 | Support instruments for the country adoption of the GDPR |
| Genealogos | Nix to SBOM generator targeting the CycloneDX format | |
| Genodepkgs | When Genode and Nixpkgs meet | |
| Geographic tagging of Routing and Forwarding | Geographic tagging and discovery of Internet Routing and Forwarding | |
| Geolexica reverse | Reverse Semantic Search and Ontology Discovery via Machine Learning | |
| GetDNS | 2019 | Deliver DNSSEC as a building block in harsh environments |
| GISS | 2009 | independent infrastructure for streaming radio and TV |
| Global Directories | 2014 | Distributed contact information discovery mechanism |
| Globule | 2005 | user-centric Content Delivery Network |
| GNS Migration and Zone Management | Registrar tools for adoption of GNU Name System | |
| GNU Guix | Discovery of service configurations in a declarative setup | |
| GNU Guix - Cuirass | Continuous integration system for GNU Guix/Linux + Hurd | |
| GNU Mes | Help create an operating system we can trust | |
| GNU Mes on ARM | Trustworthy bootstrap for operating systems on ARM ISA | |
| GNU Mes RISC-V | Bringing the trustworthy bootstrap to RISC-V | |
| GNU Mes Tower | GNU Mes with alternative scheme implementations and WASM | |
| GNU Mes: Full Source bootstrap | ||
| GNU Name System | Authenticated naming system for the internet from GNU project | |
| GNU social | Modernizing the original FOSS Social Network | |
| GNU Taler | Advanced electronic payment system for privacy-preserving payments | |
| GNU Taler KYC | Know-Your-Customer support for GNU Taler | |
| GNU Taler wallet app for iOS | Mobile GNU Taler payments for portable Apple devices | |
| GNUnet | 2009 | implementation and evaluation of an improved routing algorithm for GNUnet |
| GNUnet CONG | Modernise the network stack of GNUnet | |
| GNUnet Messenger API | API for decentralized instant messaging using CADET | |
| GnuTLS | 2019 | Implement TLS-KDH in GnuTLS |
| GO-FOSS | 2008 | Teach employees in SMEs and NGOs the benefits of FOSS |
| GoatCounter | Privacy-friendly web analytics for small websites | |
| GoogleSharing | 2011 | GoogleSharing anonymizing proxy |
| Gorgon CI | Continuous integration testing for PRs against software dependencies | |
| Gosling | Generic Onions Services Library Project | |
| GoToSocial | Lightweight ActivityPub social network server | |
| GPG Lacre project | Best effort encryption of mail flows with OpenPGP | |
| GPLv3 | 2007 | GNU Public Licence v3 Development and Publicity Project |
| GPRS/EGPRS support in Osmocom CNI for Ericsson RBS | ||
| Graphics acceleration on Replicant | Free software graphics drivers for mobile phones | |
| Great Black Swamp | Decentralized cloud storage with provider-independent security | |
| Great OCR for SANE | Integrate OCR capabilities into open source scanning tools | |
| Great scanning and OCR for mobile devices | ||
| GSM-Sec | 2011 | GSM Security Project, debugging GSM transactions |
| Guix Peer-to-Peer substitutes | ||
| Guix-Daemon | Transition to a Guile implementation of the guix-daemon | |
| GUN P2P Encryption | 2019 | A realtime, decentralized, offline-first, graph database engine |
| Hackathons | contributions to various hackathons | |
| Haketilo/Hydrilla | Browser extension for site customisatoin | |
| Handling Data from IPv6 Scanning | Scanning tools for scaling up IPv6 scans | |
| Haphaestus | Lightweight JavaScript-free browser engine written in Haskell | |
| Hardening OpenPGP CA deployments | HSM support for OpenPGP key infrastructure | |
| Hardware accelerated 2D graphics | Design hardware accelerated 2D graphics using C to Verilog | |
| Heads-OpenPGP | OpenPGP Authenticated Heads and long-time awaited security improvements | |
| Himalaya | End-to-end encryption capable scriptable email | |
| How AdTech works | Improving public awareness of AdTech and privacy | |
| HTTPS-Obs | 2011 | HTTPS Observatory |
| Hubzilla | Federated social networking environment | |
| HWIOS | 2011 | Hybrid Web In OpenSim (HWIOS) |
| Hyper Hyper Space | Cryptographically secure append-only distributed data layer | |
| Hypermachines: Realtime and Collaborative P2P Search | Realtime and Collaborative P2P Search | |
| IC workspace | Open Source IC Design Management Tool | |
| Icebreaker | Gemini centric viewpoint of coding issues and bug tracking | |
| Icosa Gallery | Open, decentralised platform for 3D assets | |
| IIDS | 2013 | Interactive Intelligent Distributed Systems |
| imap-codec library | Release version 1.0 of the imap-codec library | |
| Implement sound support in the Hurd | Add audio capabilities to the multiserver microkernel from GNU | |
| Improve Email Encryption in KMail | Adopt improvements in Email Encryption in KMail | |
| Improve Krill (RPKI) BGP integration | Real-time routing for Krill RPKI daemon | |
| Improve Okular digital signature support | Improve open source tooling for digital signatures | |
| Improving and extending Kaitai Struct | Rust parsing for binary analysis tool Kaitai Struct | |
| Improving Matrix E2E encryption UX | 2019 | Better usability of Matrix.org E2E encryption |
| Improving OpenSSH's Authentication and PKI | Improving SSH Authentication with OpenPGP transitive trust | |
| Improving the deployability of Multipath TCP | Better Multipath TCP support in the Linux kernel | |
| IMSI Pseudonymization | Better privacy protection for 2G-5G | |
| IN COMMON | Public platform to map and act together for the Commons | |
| In-document search | Interoperable Rich Text Changes for Search | |
| Independent captions and transcript augmentation | Speech-to-text integration for Waasabi | |
| IndieHosters | System for Cross-domain Identity Management (SCIM) | |
| Indigenous | Indieweb mobile clients | |
| Inko | Programming language with deterministic automatic memory management | |
| Internet of Coins | Create a decentralized, self-sustaining economy by implementing inter-blockchain connectivity | |
| Interoperable Certificate Store for OpenPGP | Standardisation effort for shared OpenPGP certificate storage | |
| Interpeer | Collaboration infrastructure with near real-time p2p data synchronization | |
| Interpeer SDKs | Secure and efficient peer-to-peer networking stack | |
| Inventaire | Wikidata-based social sharing of reading experiences | |
| Inventaire recommender | Book recommendations in Inventaire | |
| IotECC | Lightweight Elliptic Curve Cryptography for small chips | |
| IPDL | Equational Proofs for Distributed Cryptographic Protocols | |
| ipfs-search.com | Search engine for the Interplanetary File System | |
| Irdest | Local P2P mesh discovery of devices and users | |
| Irdest - OpenWRT Image and Bluetooth LE | Add Bluetooth LE connections to Irdest | |
| Irdest spec, db, route scoring | Route scoring and other routing improvements for Irdest meshnets | |
| IRMA made easy | Usability research into attribute based authentication | |
| ISC BIND 9 | 2001 | implementation of DNS protocols with full IPv6 and DNSsec support |
| it | Radically decentralised version control with CRDTs | |
| iuh-openbsc | 2017 | An open source implementation of 3G |
| Jabber/XMMP | 2008 | Strengthening Trust in Jabber/XMPP Technologies |
| JavaScript Restrictor | Increasing Security and Privacy of JavaScript APIs | |
| JellyfishOPP | Open Hardware device for power profiling | |
| JigLibJS | 2011 | JigLib to JavaScript for use with WebGL |
| Jingle Nodes | Jingle Relay Nodes Specifications and Prototypes | |
| Jitsi | 2011 | Better and Open Source alternative for Skype |
| Jitsi (SIP Comm Phone) | Internet phone and instant messenger | |
| Jitsi (SIP-Communicator) Desktop | 2011 | Desktop Streaming and Sharing with SIP Communicator |
| Jitsi-DNSSEC | 2012 | DNSSEC for Jitsi (SIP Communicator) |
| Jitsi-FMJ | 2012 | Replacing JMF with FMJ |
| JShelter | Cross-browser extension to make javascript less exploitable | |
| JShelter Manifest V3 | Make JShelter compatible with Manifest V3 | |
| json-joy | JSON data structure as a CRDT | |
| K-Gen | From datasets in DCAT catalogs to knowledge graphs | |
| Kaidan | Adding encryption to userfriendly cross-platform XMPP client | |
| Kaidan | Encrypted A/V calls, group chat messaging | |
| Kaidan A/V | Secure audio and video calls for Kaidan and QXmpp | |
| Kaidan Auth + portability | Account portability and Client/Server Authentication for the Kaidan XMPP client | |
| Karrot | Save and share food waste | |
| Katzen | Meta-data resistant instant messaging over the Katzenpost mixnet | |
| Katzenpost | Observation resistant secure messaging layer | |
| Kazarma | Bridge ActivityPub and Matrix realms | |
| Kazarma Release | Bridge between ActivityPub and Matrix protocol | |
| Kbin | ActivityPub based link sharing and microblogging | |
| KDE Connect | KDE Connect discovery and transport protocol improvements | |
| Key Management | 2019 | Key Management |
| Keyoxide | Self-hostable identity proofs with bidirectional linking verification | |
| Keyoxide Mobile | Mobile client for identity magement tool Keyoxide | |
| Keyoxide v2 | Add cryptographic signature based to Keyoxide | |
| KiCad | Professional open source electronics design application | |
| KiKit | Tooling for automation of production of PCB designed in KiCAD | |
| Kintex-nextpnr | Open toolchain for high performance FPGAs | |
| Kiwi IRC | Self-hosted web IRC environment | |
| Kolab-Sync | 2012 | ActiveSync your Kolab |
| Koruza | 2015 | |
| Ksplice | 2009 | update the Linux kernel without rebooting |
| Ksplice2 | 2011 | Ksplice for mainline Linux and Fedora |
| KWin and Wayland input | Secure windowing system for KWin | |
| Langsec in Pectore | A secure pacemaker created from formal grammars | |
| Lantern | 2013 | DNSSEC in Lantern |
| Layer-2-Overlay | Generalising the GNUnet Layer-2 Overlay for broader usage | |
| LCC | 2002 | local content caching system for new search engine architecture |
| LEAP/Torbirdy | 2017 | LEAP integration into Torbirdy |
| lemmur | A Lemmy mobile client | |
| Lemmy | ActivityPub for link aggregation | |
| Lemmy Federation | Lemmy Federation and ActivityPub compliance | |
| Lemmy private communities | Add private communities to Lemmy federated link aggregator | |
| Let's Connect! Client-Server to P2P | Add P2P features to Let's Connect! | |
| Letswifi/Geteduroam | Make federated wifi access provisioning safer and more convenient | |
| lib25519: Secure and efficient computation of X25519 and Ed25519 | ||
| LiberaForms | End tot End Encrypted Forms | |
| Liberaforms | Open source form server | |
| librarian | Custom meta-search | |
| Libre Car Control | Automotive development platform, protocol analyzer and hacking multi-tool | |
| Libre Silicon compiler | Synthesize, place and route hardware description to silicon | |
| Libre-SOC | A fully open hardware System-on-a-Chip | |
| Libre-SOC Cavatools: Power ISA Simulator | Power ISA Simulator | |
| Libre-SOC Formal Correctness Proofs | Mathematical unit tests for open hardware System-on-Chip | |
| Libre-SOC Formal Standards Development | Formal Standards for OpenPower extensions from Libre-SoC | |
| Libre-SOC HPC | Work on High Performance Compute capabilities for Libre-SOC | |
| Libre-SOC OpenPOWER ISA WG | Steward ISA extension proposals through OpenPOWER External RFC Process | |
| Libre-SOC Video Acceleration | Optimised video acceleration instructions for Libre RISC-V SoC | |
| Libre-SOC, Coriolis2 ASIC Layout Collaboration | Open tooling for ASIC Layout | |
| Libre/OpenCores FuseSoc backend | Discovery and use of open hardware gateware through LibreCores and OpenCores | |
| Librecast | E2E encrypted multicast | |
| Librecast Live | Live streaming with multicast | |
| LibreCellular | Open hardware 4G Mobile Network | |
| LibreCellular | FOSS technology stack for 4G networks | |
| LibrEDA | An integrated development environment for chip design | |
| LibreDocs | 2012 | LibreDocs |
| LibreOffice CRDT | Real-time collaboration between several, distributed LibreOffice instances | |
| LibreOffice P2P | Encrypted collaborative editing in the browser | |
| LibreOffice/Collabora Online typography | Add interoperability and state-of-the-art web typography to LibreOffice/Collabora Online line break | |
| LibrePCB | EDA software suite to develop printed circuit boards | |
| LibreQoS | Improve congestion control for wifi networks | |
| LibreSilicon | Free/open source semiconductor manufacturing process | |
| libresilient | Create robust web presence with service workers and DHT | |
| libspng | A fast and safe implementation of Portable Network Graphics | |
| libspng APNG | Add Animated PNG (APNG) image read- and write support to libspng | |
| Lightmeter | Email server configuration lifecycle management | |
| Liminix | Nix-based OS for domestic WiFi routers, access points etc | |
| LinkedDataHub | Framework to handle Linked Data at scale | |
| LIP6 VLSI Tools | Logical validation of ASIC layouts | |
| LiteX | Developer framework for FPGA and ASIC designs | |
| Lizard | E2E Rendez-vous and discovery | |
| LOAP | 2006 | The DNS: A Life of a Protocol |
| Local Production of Antennas for LibreRouter (LoPaLiR) | Reliable open hardware Antennas for LibreRouter | |
| LogReport | 2004 | tools for computer/network log file analysis |
| Lokalize | 2009 | cross-platform computer-aided translation system |
| lpnTPM | TPM 2.0 compliant open hardware Trusted Platform Module | |
| LTE support in OsmoCBC (Cell Broadcast Centre) | Open source Cell Broadcast Centre for mobile networks | |
| LTSP Deskop | Remote desktop via an LTSP-Cluster | |
| LumoSQL | Create more reliable, distributed embedded databases | |
| LumoSQL at-rest data security | Modern embedded database with encryption and signed data | |
| Luna PnR | A versatile and fast new open-source place and route tool | |
| LunaPnR Phase 2 | A versatile and fast new open-source place and route tool | |
| Machdyne | Modular open compute hardware | |
| MaDada | Using LinkedData to improve FOI processes | |
| Maemo Leste | An independent mobile operating system focused on trustworthiness | |
| Maemo Leste Telepathy | Modernise open source real-time communications stack | |
| Magic Wormhole/SPAKE2 | 2019 | Securely send files between two computers with minimum fuss |
| Mail::Box | 2003 | software for e-mail handling in Perl |
| Mailman-SSLS | 2009 | openPGP and S/MIME support in mailman |
| Mailpile 2 (moggie) | Building a secure, modern e-mail client for self-hosting | |
| Mailpile Search Integration | Personal email search engine | |
| Mainstreaming Anonymity for Developers (MAD) | Add Onion Services to interactive internet applications | |
| Makatea | An x86, 64-bit Virtual Machine Monitor for the seL4, verified microkernel | |
| Mangaki | Advanced group recommendations | |
| Manyverse | An off-line capable privacy-centric social messaging app | |
| Manyverse Private Groups | Implement SSB Private Groups in Manyverse | |
| MapComplete | Thematics OpenStreetMap-viewer and editor. | |
| MAPS | defending Internet e-mail from abuse by spammers | |
| Marginalia Search | A fresh take on search | |
| Mastodon - groups, filtering, moderation | Group support with ActivityPub | |
| mCaptcha | Privacy-friendly Proof of Work (PoW) based CAPTCHA system | |
| Meemoo | 2013 | Meemoo: hackable web apps |
| MEGA65 Phone | A phone simple enough to understand in full | |
| MeiliSearch | Modern and responsive search | |
| Mellium | Add OMEMO support to XMPP library | |
| Mepo | Lightweight mobile map search | |
| Meshtool | 2012 | Mesh network toolkit, database and web-based API. |
| Meta-Press.es | A press search engine in your browser | |
| Meta-Press.es | Retrieve news feeds and search locally | |
| Minedive | P2P search over webRTC | |
| MirageVPN | Robust OpenVPN client and server, and QubesOS client | |
| Misskey | Misskey federation and ActivityPub compliance | |
| mitmproxy | HTTP/3 Support and OS Proxy Mode for intercepting local proxy | |
| MLS for XMPP | Add Message Layer Security to XMPP | |
| MNT Reform | A trustworthy open hardware laptop | |
| MNT Reform Next | New iteration of the MNT open hardware laptop | |
| Mobile Test Farm | Test farm setup for aftermarket mobile operating systems | |
| mobile-nixos | NixOS for mobile phones and tablets | |
| MobileAtlas | A distributed open hardware test infrastructure to analyse mobile networks | |
| MobileAtlas | Taking roaming measurements to the next levelMobileAtlas | |
| Mobilizon | Find, create and organize events | |
| MoboSearch | Providing an alternative view on the Android App ecosystem | |
| Mobroute | A minimalist FOSS public-transportation router/tool suite | |
| Modular CA | 2019 | Modular infrastructure for building secure internet services |
| Modular Meta-Press.es | Reusable decentralised meta-search engine | |
| Monal IM | Free Jabber/XMPP client for iOS and macOS | |
| Morphle | 2009 | free and anonymous powerful but simple to use end-user website editing |
| Mosaic | Trustworthy open hardware design tool for electrical engineers | |
| Movim | Add OMEMO encryption to Movim XMPP client | |
| Mox | Modern full-featured open source secure mail server | |
| MPTCP | MultiPath TCP | |
| MU-Jingle | 2009 | jabber-based VoIP protocol |
| Mynij | Portable indexing and search engine for mobile | |
| Naisho | Efficiently combine end-to-end encryption with CRDTs | |
| Naja | EDA tool focused on post logic synthesis | |
| Namecoin | 2019 | Decentralized, censorship resist Internet infrastructure for e.g. DNS and identities |
| Namecoin: Core Infrastructure | Alternative domain name system | |
| Namecoin: Electrum-NMC | Security hardening and futureproofing Namecoin and Electrum-NMC | |
| Namecoin: TLS | Various TLS integrations for Namecoin | |
| Namecoin: ZeroNet and Packaging | Make ZeroNet work with Namecoin | |
| nat64 | 2010 | Implement a NAT64 gateway to run on open-source operating systems |
| NaxRiscv core improvements | Open hardware out-order Risc-V CPU | |
| NEFUSI | NEFUSI: A novel NEuroFUzzy approach for semantic SImilarity assessment | |
| NeoChat | Native Matrix encrypted instant messaging client | |
| NetAidKit | 2016 | The NetAidKit is a pocket size, USB powered router for safer mobile networking. |
| NetEventKit | 2009 | building an open source Network Event Kit |
| neuropil | Privacy by design P2P search including IoT | |
| neuropil | DHT based overlay network | |
| Nextcloud | Unified and intelligent search within private cloud data | |
| NextGraph | Interlinked data graphs, with privacy, security, data locality, and interoperability in mind | |
| nftables | 2015 | A modular packet filtering framework providing enhanced userspace control |
| NILO | 2000 | reference implementation of PXE-based network boot module |
| Nitrokey | Open hardware for encryption and authentication | |
| Nitrokey 3 | PIV/FIPS 201-3 and extended hardware support for Trussed/Nitrokey | |
| Nitter | Alternative privacy-preserving FOSS UI for Twitter | |
| Nixcloud | 2019 | Declarative internet services based on NixOS |
| Nixcloud Mail | Declarative mail server based on NixOS | |
| Nixcloud Webservices | Declarative web services based on NixOS | |
| NixOS/Clevis | Unattented disk decryption with Clevis on NixOS | |
| NLnet Labs | Independent lab for Internet infrastructure development | |
| node-Tor | Implementation of Tor protocols for inside webpages | |
| Nodewatcher | 2015 | A comprehensive and scalable node management system for community wireless network. |
| Noise Explorer-VerifPal | Automated proofs and code generation for secure protocols | |
| NOMA | 2017 | Network Operator Measurement Activity |
| Nominatim | Multi-lingual support in address search | |
| Nominatim as a library | Self-hostable address/location retrieval for OpenStreetMap | |
| NoScript Contextual Policies & LAN protection | Application Boundaries Enforcer (ABE) for new generation of browsers | |
| NoScript-Andr | 2013 | Android Native NoScript |
| NoScript-Mob | 2011 | NoScript Mobile |
| NoScript-Mob2 | 2011 | NoScript Mobile part 2 |
| NoScriptABE | 2009 | improve the ABE (Application Boundaries Enforcer) for NoScript |
| Nym Credentials | A decentralised solution for authentication | |
| Nyxt | A programmable browser with advanced search integration | |
| Nyxt | Browser integration of federated, distributed platforms | |
| Nyxt Webextensions | Independent implementation of WebExtensions | |
| OCap layer for Haskell actor library | Implement OCapN and Syndicate in Haskell's troupe | |
| OCCRP Aleph disambiguation | OCCRP Aleph: disambiguating different people and companies | |
| OCS-Asterisk | 2008 | Open real-time connection between Microsoft OCS and Asterisk |
| ODF Autotests | a framework to help users and developers write test documents for ODF software | |
| ODF-AbiChanges | 2011 | ODF Track changes in AbiWord |
| ODF-AbiChanges2 | 2011 | ODF Track changes in AbiWord (2) |
| ODF-AbiWord | improving AbiWord OpenDocument | |
| ODF-changes | 2011 | Representing Changes in Open Document Format |
| ODF-changes2 | 2011 | Standardisation for Tracked Changes in ODF |
| ODF-compare | 2011 | Creating Tracked Changes in Open Document Format by Document Comparison |
| ODF-DocMod | 2013 | Modularise ODF 1.2 documentation |
| ODF-KOffice | 2009 | ODF load and save in KOffice |
| ODF-KOffice2 | 2010 | ODF metadata in KOffice |
| ODF-KOffice3 | 2010 | ODF revisions in KOffice |
| ODF-KOffice4 | 2011 | ODF track changes/tables in KOffice and Calligra Suite |
| ODF-Numbertext | 2009 | number to text conversion for the upcoming ODF OpenFormula standard |
| ODF-Recipes | 2011 | ODF Software Recipes |
| ODF-Symbian | 2009 | view ODF on Symbian OS and other mobile systems |
| ODF-Valid | 2013 | ODF Online Validator to the command-line |
| ODF-XLIFF | 2009 | convert ODF to Gettext PO and XLIFF for translation and localising |
| OdfKit | 2011 | base library for processing ODF |
| odfsvn | 2009 | use SVN to maintain ODF documents |
| Off-the-Record messaging version 4 | Advanced protocol for secure messaging | |
| Offen | Privacy-respecting site analytics | |
| offen | Ethical site analytics, controlled by the user | |
| OfficeShots | see how different office suites render your ODF document. | |
| Oil Shell | A new dialect of shell that is less error-prone | |
| Oil Shell | Modern shell language and runtime | |
| Oku | A browser and encrypted data vault based on IPFS | |
| Omnom | Self-hosted bookmarking and snapshotting with search | |
| OnBaSca | Tor Bandwidth Scanner | |
| Online Self-defence in Ten Minutes | 2010 | Online Self-defense in 10 minutes |
| Opaque Sphinx | Secure password-based authentication with Opaque/Sphinx | |
| Opaque Sphinx Server and Clients | Server and tools for modern authentication | |
| Open Cloud Mesh | Improved specs and test suite for Open Cloud Mesh protocol | |
| Open Energy Profiler Toolset | Modular open hardware Energy Profiling | |
| Open Hardware Manuals | Automatically generate user-friendly documentation for open hardware elements | |
| Open Hospitality Network | Federated hospitality with ActivityPub | |
| Open Know-How Search | Search Open Hardware Projects | |
| Open MLS Infrastructure | End-to-end encrypted group messaging | |
| Open source ePDG for VoWiFi | Enhanced Packet Data Gateway for mobile infrastructure | |
| OpenBTS-HW | 2012 | OpenBTS hardware |
| OpenCryptoHW | CGRA- based reconfigurable open-source cryptographic IP cores | |
| OpenCryptoLinux | Make Linux run on OpenCryptoHW | |
| OpenCryptoTester | System-on-Chip for hardware/software testing | |
| OpenDoc-Soc | 2011 | Dutch OpenDoc Society |
| openEngiadina | Platform for creating, publishing and using open local knowledge | |
| Openki.net | Make local events and meetups discoverable | |
| openMSRP | 2008 | openMSRP relay implementation |
| openMSRP(2) | 2008 | multi-party Instant Message server based on MSRP |
| openMSRP(3) | 2009 | GUI for the open source SIP SIMPLE client |
| OpenPGP Certificate Authority | Managing OpenPGP keys for communities and organisation | |
| OpenQRNG | Open source, certified Quantum Random Number Generator | |
| OpenStreetMap Speed Limits | Infer default speed limits for better quality OpenStreetMap-based routing | |
| OpenStreetMapNL | 2009 | maintenance software for OpenStreetMap Nederland |
| openXC7 | Improve hardware support for open source FPGA tooling | |
| oqsprovider | Post-quantum/quantum-safe cryptographic algorithms for OpenSSL | |
| Ordie | Designing a SoC for Betrusted | |
| Organic Maps | Privacy-focused Android & iOS offline maps application | |
| OSF Crawler Cooperation | Support Infrastructure for Open Search initiatives | |
| OSLD | 2013 | Open-Source LTE Deployment (OSLD) |
| OSN-PPCP | 2012 | Privacy-Preserving Communication Protocol for OSNs |
| OV-Chipkaart | 2011 | privacy friendly chip card for public transport |
| Owncast | ActivityPub powered Livecasting | |
| p2panda | p2p protocol and event-driven data store | |
| P2Pcollab | Decentralised social search and discovery | |
| p3pch4t | Decentralized chat platform built on i2p | |
| p4-nix | Combine Programming Protocol-independent Packet Processors language with declarative Nix packaging | |
| Packet classification extensions for Netfilter | High throughput packet classification of tunneled traffic | |
| Padding Machines for Tor | Protect metadata in the Tor onion routing network | |
| Palea | 2011 | Finding unauthorized routes leaving your network |
| Parrot | 2009 | virtual machine for scripting languages |
| Parselov | 2017 | Syntactic analysis of documents and protocol messages based on formal descriptions |
| Passthrough Authentication | Authentication proxy using Kerberos and SPNEGO | |
| pcb-rnd | Modular printed circuit board editor | |
| pcb-rnd, sch-rnd | Open source EDA suite | |
| Peer-to-Peer Access to Our Software Heritage | Access Software Heritage data via IPFS DHT | |
| PeerDB Search | Search for semantic and full-text data | |
| peermaps | Peer to peer cartography | |
| PeerTube | A decentralised streaming video platform | |
| PeerTube - Remote Transcoding | Remote Transcoding for distributed video sharing network | |
| Peertube plugin livechat | Integrated chat for Peertube live streams | |
| Peertube-Desktop | Enjoy and share federated videos | |
| Peppol for the masses | Hybrid self-hosted e-invoicing with decentralized identities | |
| Personal Food Facts | Privacy protecting personalized information about food | |
| Perspectives: Making Models | Generate software from open models for human interaction patterns | |
| PGP4civiCRM | Add email encryption to CRM | |
| Pimalaya | Open source personal information management | |
| Pion | Network congestion measurement for adaptive real-time applications | |
| Pitchfork | 2019 | Open hardware for compartmentalizing key material and cryptographic operations |
| Pitchfork PKCS#11 | 2019 | Contribute to OASIS standardisation PKCS#11 v3 |
| PixelDroid | Share and browse photos in the fediverse with a mobile app | |
| PixelDroid/Media editor | Native PixelFed/ActivityPub image sharing app | |
| Pixelfed | 2020 | ActivityPub driven decentralised photo sharing platform |
| Pixelfed | Open source, federated photo sharing platform using ActivityPub | |
| Pixelfed Live | Live streaming and other Pixelfed enhancements | |
| PKCS#11 v3 | 2018 | Contribute to standardisation of PKCS#11 for cryptographic tokens |
| Plaudit | Make good science discoverable through endorsements | |
| Pleroma | Scalable ActivityPub server written in Elixir | |
| Poliscoops | Make political news and online debate accessible | |
| Port of AMDVLK/RADV 3D Driver to the Libre-SOC | Adapt Vulkan Drivers to the Libre-SoC | |
| Porting Guix to Riscv64 | Port Guix software collection to Riscv64 architecture | |
| Post-Quantum Crypto in DNSSEC | Experimental platform for DNSSEC with post-quantum cryptography | |
| postmarketOS | An independent mobile operating system | |
| postmarketOS/phosh-mobile-settings integration | Consolidate functionality of FOSS mobile settings applications | |
| postmarketOS: v23.12 and v24.06 Releases | New versions of the mobile operating system postmarketOS | |
| Practical Decentralised Search and Discovery | Search and discovery inside mesh/adhoc networks | |
| Practical Tools to Build the Context Web | Declarative setup of P2P collaboration | |
| PRESC Classifier Copies Package | Implementing Machine Learning Copies as a Means for Black Box Model Evaluation and Remediation | |
| pretalx | Open source tooling for events and conferences | |
| Pretty Easy Privacy | 2019 | At scale simulation over GNUnet with different realistic user behavior scenarios |
| Privacy Enhancements for PowerDNS and DNSdist | Make it easier to deploy private DoT/DoH resolvers | |
| Privacy Infrastructure for Corteza Federations | Allow users to locate and browse their private data wherever | |
| Privacy Preserving Disease Tracking | Research into contact tracing privacy | |
| Private Key Operations for Keyoxide | Implement Private Key Store design in Keyoxide | |
| Private Searx | Add private resources to the open source Searx metasearch engine | |
| PrivateRecSys | Privacy-Friendly Recommendation System | |
| Probabilistic NAT Traversal | Last resort ad hoc connections for GNUnet | |
| Prosody IM | Implement SASL authentication mechanism for XMPP | |
| ProveThis | Prove statements about authenticated API resources | |
| Proxy App | 2010 | Proxy appliance to utilize unused bandwidth networks |
| PSYC2 | 2015 | Next iteration of the Protocol for SYnchronous Conferencing |
| PulseAudio | 2011 | PulseAudio echo cancellation |
| purl2all | Discover metadata for software packages | |
| PyCM | Evaluate the performance of ML algorithms | |
| Python supply-chain with dream2nix | Towards a secure, extensible & reproducible Python supply-chain with dream2nix | |
| Pythonic Slint | Add a full-blown Python API to Slint | |
| Quantum-Proof Zenroom | Implementation of Quantum-Proof Cryptography in Zenroom | |
| Qubes | 2017 | A reasonably secure operating system |
| Qubes OS | Bring the security of Qubes OS to people with disabilities | |
| R5N-DHT | Formalisation within IETF of R5N Distributed Hash Table design | |
| RA-Sentinel | A smart geiger teller for wifi network traffic | |
| Radio-Meshnet | Self-sustained Community and Emergency Radio Networking | |
| RADIUSdesk | Open wifi mesh deployment application | |
| RAIJIN | Open Hardware brain meeasurements with near-infrared spectroscopy | |
| Raptor Lake Desktop | Implement open-source firmware for modern mainboards and chipsets | |
| RaptorJIT | RaptorJIT is a high-performance Lua virtual machine for network dataplanes. | |
| rasn | Safe ASN.1 codec framework for Rust | |
| Re-isearch | Vectorise text with a flexible unit of retrieval | |
| Real time graph database search engine | Live filtering on graph database streams | |
| realXtend | 2010 | realXtend communications based on Telepathy |
| Record Federation for Corteza Clouds | Data federation over ActivityPub | |
| Redash | Predictive text entry without a keyboard | |
| Redwax | Standardisation of client side PKI interfaces | |
| Reinstatement of crypto.signText() | Cryptographic signatures brought back to the browser | |
| Remote PKCS#11 | 2019 | Remote usage of PKCS#11 |
| Reowolf | Rip and replace for BSD socket insecurity | |
| Replicant on Guix | Reproducible build infrastructure for Replicant | |
| Replicant on Pinephone 1.2 | Add basic support for the Pinephone 1.2 to Replicant | |
| Reproducible Builds | Make the build processes behind software distributions reproducible | |
| Reproducible F-Droid | Building a trusted app ecosystem with F-Droid | |
| RETETRA | Security Analysis of Proprietary Cryptography in Terrestrial Trunked Radio | |
| Reverse Engineering Toolkit | Reducing e-waste through Reverse Engineering | |
| ReX | 2003 | international exchange of scholars for software projects |
| RFID Guardian | 2009 | hardware prototyping of a mobile device for personal RFID security and privacy management. |
| RFID Guardian(2) | 2010 | unified platform for RFID security and privacy administration |
| Ricochet Refresh | Anonymous, meta-data free secure messaging | |
| Ripple | Safer and faster incremental software builds | |
| RISC-V bootstrapping effort via GNU Mes | Allow bootstrapping Guix on RISC-V via GNU Mes | |
| RISC-V Phone | Open hardware RISC-V Phone | |
| RNP Confium | Distributed trust store enabling threshold encryption | |
| Robotnix | Reproducible Builds of Android with NIX | |
| Robur private DNS resolver and DHCP server | Secure network configuration and DNS resolution | |
| Rocket CWMP | Remote governance and configuration for internet equipment | |
| Rosenpass | Post Quantum Security Add-On for WireGuard | |
| Rotonda Secure Extensions | Implement BGPSec in Rust and integrate into Rotonda | |
| RPKI-RTRlib | 2017 | RPKI/RTRlib |
| Rust Threadpool | Improve privacy of Rust threading library | |
| Sabayon | 2009 | creating a fast binary package manager using relational databases |
| Samizdat | 2012 | Samizdat makes public key cryptography accessible |
| SANE | System Administration and NEtworking conferences | |
| SASL Works for the InternetWide Architecture | Integrate new authentication mechanisms into SASL | |
| SASL XMSS | Make SASL work with XMSS protocol | |
| SCE, DelTiC and Antler | High-Fidelity Congestion Control | |
| SchoolLan | 2006 | computer networking as education support for primary schools |
| SCION-enabled IPFS and libp2p | Enhancing IPFS Performance and Resilience through SCION's Path-Aware Networking | |
| SCION-Pathdiscovery | Secure and reliable decentralized storage platform | |
| SCION-RAINS | RAINS, Another Internet Naming Service (or, a DNS alternative) | |
| SCTP-Linux | 2011 | A better Linux SCTP |
| SDCC | Small Device C Compiler compiler for 8-bit microcontrollers | |
| SDR PHY | 2019 | Create a GSM mobile phone consisting of completely open source software and SDR radio |
| Seahorse SmartCard | 2012 | Seahorse Smart Card Support |
| Search and Displace | Find and redact privacy sensitive information | |
| Searsia | 2017 | Searsia is a protocol and implementation for large scale federated web search. |
| searx | Federating self-hosted search hubs | |
| searx | A privacy-respecting, hackable metasearch engine | |
| Searx | 2018 | Searx is an internet metasearch engine that can be easily self-hosted by anyone. |
| SEARXR | Virtual reality for web search | |
| Secure User Interfaces (Spritely) | Usability of decentralised social media | |
| Securing Decentralised Live Information with m-ld | Collaborative editing of LInked Data based on CRDT | |
| Securing Internet protocols with DIDs | Bridge Decentralized Identifiers with standardised authorisation mechanisms | |
| Securing NixOS services with systemd | ||
| Securing PLCs via embedded protocol adapters | Open hardware protocol adapters for industrial automation | |
| SecuShare | 2019 | A framework for sufficiently safe social interaction |
| Secushare Box | 2019 | Operating system extension of Secushare for hardware devices |
| SeedVault | Private backups of mobile applications | |
| SeedVault Integrity | Add integrity checking and WebDAV support to SeedVault Android backups | |
| SelfPrivacy | Reproducible self-hosting stack based on NixOS | |
| SensifAI | AI driven image tagging | |
| Sequoia GPG Chameleon | Implement well-known API's for using OpenPGP | |
| Sequoia PGP | Improve interface of Sequoia PGP commandline | |
| Serialization in Kaitai Struct for Java and Python | Declaratively modify and create complex binary file formats | |
| Serval | 2011 | Mobile communication anywhere. |
| Serval-LR | 2013 | SERVAL Long-range WiFi Add-on |
| Servo | Independent Rust-based browser engine | |
| Servo Webview for Tauri | Integrated portable webview based on Servo engine into Tauri | |
| SES - SimplyEdit Spaces | SimplyEdit Spaces - collaborative presentations | |
| Sesame | 2006 | storage and querying middleware for the Semantic Web |
| Shadow Internet | 2016 | An alternative communication infrastructure working phone to phone. |
| SiCl4 | Tool for interactive reverse engineering of digital logic. | |
| Signature PDF | Self-hosted tool to add signature to PDFs | |
| SignRoom | Zenroom based signature and credential platform | |
| Silicon verification | Non-destructive, in-situ inspection of physical chips | |
| Simmel | A wearable contact tracing beacon/scanner | |
| SIP RELOAD | REsource LOcation And Discovery, a peer-to-peer (P2P) signaling protocol | |
| SIP-GUI | 2011 | Next Phase Graphical User Interface for the SIP SIMPLE client |
| SIPcollab | 2015 | Decentralized and secure collaborative editing on office documents |
| SIPproxy64/6bed4 | 2012 | 0cpm, SIPproxy64, 6bed4, applet, freeswitch RTT |
| SIRS | 2002 | Scalable Internet Resource Service |
| Slint port for Android | Port the Rust-based Slint UI toolkit to Android | |
| smoltcp RPL | Implement Routing Protocol for Low-Power and Lossy networks | |
| SnabbWall | 2017 | SnabbWall is a layer-7 network flow detector and firewall application. |
| SocketHUB | 2014 | A polyglot communication server for the decentralized internet |
| Software Heritage | Collect, preserve and share the source code of all software ever written | |
| Software Heritage listers + tooling | Performance improvements and new listers/tooling for Software Heritage | |
| Software metadata | Decentralized, federated metadata about software applications | |
| Software vulnerability discovery | Automating discovery of software update and vulnerabilities | |
| Solid Application Interoperability | ||
| Solid Application Interoperability | ||
| Solid Application Interoperability | Interoperable Data sharing flows and discovery for Solid | |
| Solid Compound | A software library/framework to simplify designing for W3C Solid | |
| Solid Control | Access Control mechanism for data and services within Solid | |
| Solid Data Modules | Improve data accessibility and prevent data corruption in Solid Pods | |
| SOLID Data Workers | Toolkit to ingest data into SOLID | |
| Solid Usable App Tools Project | Improve developer experience for W3C Solid | |
| Solid Wallet | Authorization reasoning, rule-based controls and fluid integration for Solid | |
| Solid-NextCloud app | Bridge Nextcloud to Solid | |
| Solid-Search | Queries in a pod | |
| Sonar: a modular peer-to-peer search engine | Modular peer-to-peer search engine | |
| sourcehut | Graph query support for software development platform | |
| Space Tube | Group-to-group instant messaging | |
| SPEAR | 2012 | Secure Peer-to-peer Services Overlay Architecture |
| Spectrum | A security through compartmentalization based operating system | |
| Spectrum Applications | Add running graphical applications to the compartmentalized desktop OS Spectrum | |
| SpinalHDL, VexRiscv, SaxonSoc | Open Hardware System-on-Chip design framework based on SpinalHDL | |
| Spritely | Capability based petname system | |
| Spritely (and OCapN) | Enable secure P2P applications with Object Capabilities | |
| Stalwart Mail Server | Robust full featured mail infrastructure in Rust | |
| Standard Cell Library | Open Standard Cell Library with automated dimensioning of transistors | |
| Standardizing KEMTLS | Post-quantum TLS without handshake signatures | |
| Statime | Memory-safe high-precision clock synchronization | |
| Statime PTP Master | Statime - Zero-allocation cross-platform Precision Time Protocol | |
| Stencila v2 for ERA and EPP | Add editable, runnable code to scientific publications | |
| Storing Efficiently Our Software Heritage | Faster retrieval within Software Heritage | |
| Stratosphere IPS | 2016 | A behavioral-based free software Intrusion Prevention System. |
| StreetComplete | Fix open geodata with OpenStreetMap | |
| StreetComplete | Collaborative editing in OpenStreetMap | |
| StreetComplete UX | Improve usability of StreetComplete | |
| Strengthening NTP and NTS in ntpd-rs | Memory-safe implementation of IETF time standards including NTPv5 and NTS | |
| Structured Email for Roundcube | Add schema.org metadata awareness to open source email | |
| Structuring the System Layer with Dataspaces | Implementing a secure and scalable system layer on mobile | |
| Stubby | 2019 | A local DNS Privacy stub resolver using DNS-over-TLS |
| Subliminal Messaging | Embedded secure channels within traditional and internet telephony | |
| Suhosin-NG | Harden PHP 7 and PHP 8 applications | |
| Supersizing the Gun | Chipwhisperer open hardware for side channel analysis | |
| Sustainable web apps with m-ld | Empower users and developers with distributed interlinked data using local-first principles | |
| SWH package manager Data Ingestion | Add Package managers to Software Heritage | |
| Swirl | 2014 | Implementation of PPSPP proposed standard in Erlang |
| Sylk chat | Add instant messaging features to Sylk | |
| Sylk Client | Secure multiparty videoconferencing application | |
| Sylk Mobile | Secure real-time mobile communications | |
| SylkRTC | 2015 | SylkRTC |
| Taler for local currencies. | Free software banking backend for local currencies | |
| Tantum Search | Context-enhanced search driven by schema.org | |
| Tasteweb | Develop new web of trust mechanisms | |
| Tauri Apps | A safer run-time for web technology based apps | |
| TCP-multipath | 2011 | Design and empirical evaluation of secure and efficient multipath communication |
| Telecommunication in HF using the Internet Protocol (IPoHF) | High-throughput software-defined wireless telecommunications | |
| TerosHDL | Assisting hardware developers to deliver safer designs | |
| The Commons Conservancy | Legal infrastructure for public benefit efforts | |
| The Libre-SOC Gigabit Router | Native Open Hardware chip implementation of crypto primitives | |
| The Open Green Web | Ethical meta-search filter on green hosted websites | |
| The PeARS app | Building low-resource Web search applications from cognitive models | |
| The search for ethical Apps | Create custom, self-hostable app stores for Android(-like) OS-es | |
| The third mainport | 2014 | Digital Infrastructure in the Netherlands - The Third Mainport |
| ThinkQuest | 2007 | educational web contests |
| Threat intelligence sharing | Privacy-Preserving Sharing of Threat Intelligence in Trusted Adversarial Environments | |
| Threshold OPRFs | Bringing the power of Threshold OPRFs to the people | |
| Thunderbird - native EteSync integration | Add encrypted sync to Thunderbird | |
| Timesheets | 2013 | Adaptive time-based application development Platform |
| TimeWalker | 2002 | tools for visualising huge amounts of log data |
| Timing-Driven Place-and-Route (TDPR) | Open hardware tool to synthesize digital silicon circuits | |
| TLS-KDH | 2019 | Combined Kerberos and Diffie-Hellman as an authentication mechanism for TLS |
| TLS-KDH mbed | Implement TLS-KDH into mbed | |
| Tooling to improve security and trust in GNU Guix | Contextual software vulnerability discovery | |
| Tor hidden services | 2009 | Protect publisher and users of the services against identification |
| Tor low-bandwidth | 2009 | Tor for modem and mobile users |
| TOS;DR | A user rights initiative to rate and label website terms & privacy policies | |
| TOS;DR OTA backend | Integrate Terms of Service;Didn't Read with Open Terms Archive | |
| TPM 2.0 for HEADS | TPM 2.0 support for open source BIOS replacement firmware | |
| Tracking Exposed | Increase transparency behind personalization algorithms | |
| Tracking the Trackers | Automated scanning for spyware in mobile applications | |
| Tracking weasel | Detect privacy violations in mobile apps | |
| Transparency Toolkit | A decentralized hosted archiving service with search | |
| Trenchboot as Anti Evil Maid | Integrate Trenchboot into Qubes OS as defense mechanism against physical compromise | |
| Trussed | Open hardware for encryption and authentication | |
| Trust semantic learning and monitoring | Measure on-going trust between interacting agents | |
| Trusted Boot Module | 2018 | An open hardware trusted boot manager |
| TrustING | Ultrafast AS-level Public-Key Infrastructure | |
| Trustix | Make build logs available as publicly verifiable, tamper-proof Merkle trees | |
| Turtle | 2007 | P2P infrastructure for safe sharing of sensitive data |
| Tvix | Alternative Rust-based software build transparency | |
| TwinSite-2000 | international web-competition for secondary schools | |
| TwPM | Open hardware implementation of Trusted Platform Module | |
| Type Inference for Nix | Adding static typing and type inference to Nix | |
| TypeCell | CRDT-based collaborative block-based editor | |
| Uberflow | 2015 | An Open-Source OpenFlow Controller Implementing the North-Bound Interface |
| UEFI isolation in VM from non UEFI firmware | Safer booting into UEFI-compliant operating system | |
| UEFI Secure Boot support for NixOS | Add a self-sovereign root of trust as part of supply chain security | |
| uFork | A memory-safe pure-actor virtual machine | |
| ULX3M | A modular open hardware FPGA platform | |
| UmTRX | 2013 | UmTRX, cheaper mobile communication |
| Unhosted | 2012 | Unhosted, separating data servers from application servers |
| Unhosted | 2015 | The Unhosted project enables separation of storage and applications |
| Universal DID Resolver and Registrar | Tooling for decentralized identifiers | |
| URL Frontier | Develop a API between web crawler and frontier | |
| URL Frontier 2.0 | Enterprise features for URLFrontier | |
| Usability of Linux firewall userspace tools | Userspace tooling for Linux kernel Netfilter | |
| ValOS Cryptographic Content Security project | Cryptographic Content Security for ValOS | |
| variation graph (vgteam) | Privacy enhanced search within e.g. genome data sets | |
| VDD | project virtual operating system instances on arbitrary terminals | |
| vdirsyncer | Synchronise calendars and contacts | |
| Verified Differential Privacy for Julia | Proving sound privacy guarantees through a type system | |
| Verified Reowolf | Formal protocol verification with Reowolf | |
| Verifpal | Prove soundness of verification in Verifpal | |
| Verilog-AMS in Gnucap | Mixed-signal modelling and simulation with Verilog-AMS | |
| VFRAME: Visual Defense Tools | Use computer-vision to shield privacy in video | |
| video box | Affordable open hardware video-to-network | |
| Video chat privacy | Add privacy features to video chats | |
| ViewerJS | 2014 | A multiformat document viewer for embedding, combining WebODF.js and PDF.js |
| VirtNet | 2007 | network stack virtualization for FreeBSD |
| Virtualizing device firmware | Creating digital twins for auditing and testing appliances | |
| Vita | 2019 | A fast IPSEC-based VPN gateway |
| Vita | A high performance IPSEC implementation | |
| Vula | Encrypted ad hoc local-area networking | |
| Waasabi Framework | P2P Live Streaming for events | |
| Web Annotation | Building blocks for interoperable annotation systems | |
| Web Shell | Desktop and security environment for web apps | |
| WebODF | 2011 | ODF editor in the browser |
| WebODF-Dissem | 2012 | WebODF Dissemination |
| WebXray Discovery | Expose tracking mechanism in search hubs | |
| Whisperfish | Cross-platform mobile client for Signal and derivatives | |
| WikiRate Insights | Transforming WikiRate ESG Platform User Experience to Maximise Reliable Data Insights | |
| WikiRate Insights 2 | Dedicated text search architecture for environmental, social and corporate governance platform | |
| WikiRate: More Sites, More Cites | Persistent citation for Dekko-based open source data collections | |
| Winden/Magic Wormhole dilation | Improving Magic-Wormhole by implementing dilation and multiple file support for the web | |
| WireGuard | Scale up WireGuard | |
| WireGuard | 2019 | A fast and modern VPN that utilizes state-of-the-art cryptography |
| Wireguard | Take modern network tunnels to the next level | |
| Wireguard Rust Implementation | Implementation of WireGuard in a type safe language | |
| Wireguard Windows client | Native Wireguard protocol client for Windows | |
| Wishbone Streaming | Add Streaming capabilities to Wishbone | |
| Wisper | 2007 | long distance wifi internet infrastructure |
| Wispwot | Implement generalized scalable protection against disruptive behavior in content discovery | |
| Wolvic | Web browser designed for use in XR devices | |
| WordPress ActivityPub | Bring ActivityPub social networking to the widely used Wordpress | |
| Wormhole | 2012 | Project Wormhole |
| WPE Android | Embedded-friendly Webview based on WebKit | |
| WPIA CA Infrastructure | 2019 | Deployment infrastructure for certificate authorities |
| x86-64 VM Monitor for seL4 verified microkernel | Very restricted virtualized environment for higher security | |
| XMPP-ActivityPub gateway | XMPP, ActivityPub and E2EE Pubsub | |
| xqerl | Performant (Erlang) implementation of W3C XQuery and XML database | |
| XR Fragments | Discover, reference, navigate and query 3D online content | |
| XSSer | 2011 | Cross Site Scripting testing |
| XWiki | Bring wiki capabilities into the Fediverse | |
| XWiki ActivityPub | First class ActivityPub support in XWiki | |
| YaCy Grid SaaS | ||
| Yrs | Collaborative editing with CRDT written in Rust | |
| Yrs Undo | Rust-based CRDT framework for real-time multi-user applications | |
| Yrs weak links | More efficient CRDT by interconnecting and synchronising data structures inside documents | |
| YunoHost and the Internet Cube | Solutions for DIY-ISP's and self-hosters | |
| Zero-allocation web servers in roc | Web server framework with constant memory usage | |
| Zerocat Chipflasher Flashrom Interface | Hardware to flash alternative/libre firmware to BIOS chips | |
| ZIP file format description | Documenting the ZIP file format for reverse engineers and developers | |
| ZSipOs | Open hardware for telephony encryption |
