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Theme fund: NGI0 Commons Fund
Start: 2026-03
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NGI0 Commons Fund

Open Virtual File System (VFS) for Linux

Create a standard API for files stored across the net

One key feature of modern file sync and share systems like OpenCloud is "files on demand" for the desktop client. With this approach, file contents are only downloaded when a user opens a file, while the client maintains just the file metadata. This saves local disk space and reduces sync time, all transparently to the user. Achieving this requires deep integration with the Linux platform without relying on specific desktop environments or distribution. The "openVFS project" implements this for OpenCloud, serving as a blueprint that can be adopted by other free software private cloud systems.

Run by OpenCloud GmbH

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This project was funded through the NGI0 Commons Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 101135429. Additional funding is made available by the Swiss State Secretariat for Education, Research and Innovation (SERI).