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Grant
Theme fund: NGI Mobifree Fund
Start: 2025-06
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Operating Systems

Gesture Typing for AOSP-derived Keyboards

More efficient text input for mobile touch screen devices

HeliBoard is a very customizable and privacy-conscious open-source keyboard for Android. The current gesture typing feature, which lets you input words by swiping your finger over the letters, is only accessible when adding abandoned closed source code by Google.

Goal of this project is a well working and completely open-source implementation of gesture typing. Gesture typing quality will be ensured by sample contribution by developers and volunteers and comparison with results of said closed source code. The gesture typing library will be developed separately from HeliBoard, with a compatibility layer allowing it to be used as a drop-in replacement for said closed source gesture typing code. This approach will allow for compatibility with other virtual keyboards, mainly for Android, but also for other systems e.g. Linux.

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This project was funded through the NGI Mobifree 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. The NGI Mobifree R&D programme is part of Horizon Europe research and innovation programme under grant agreement No. 101135795.