HeliBoard
HeliBoard is a free, open-source keyboard for Android. Customizable open-source keyboard. It has 6,290 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
- Android
- Kotlin
- Keyboards
- Actively maintained
About HeliBoard
HeliBoard is a privacy-conscious open-source keyboard, based on AOSP / OpenBoard. Does not use internet permission, and thus is 100% offline. Features: Add dictionaries for suggestions and spell check build your own, or get them here, or in the experimental section (quality may vary) additional dictionaries for emojis or scientific symbols can be used to provide suggestions (similar to "emoji search") note that for Korean layouts, suggestions only work using this dictionary, the tools in the dictionary repository are not able to create working dictionaries Customize keyboard themes (style, colors and background image) can follow the system's day/night setting on Android 10+ (and on some…
Privacy and F-Droid
F-Droid builds HeliBoard from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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What is HeliBoard?
HeliBoard is a free, open-source keyboard for Android. Customizable open-source keyboard. It has 6,290 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
Is HeliBoard free and open source?
Yes. HeliBoard's source code is public on GitHub under the GPL-3.0-only license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install HeliBoard?
You can install HeliBoard from F-Droid (package helium314.keyboard); the links are on this page. Its GitHub repository also publishes releases (latest: v4.1).
Is HeliBoard still maintained?
The repository's most recent commit was on Oct 4, 2026. Its F-Droid listing was last updated on Aug 31, 2026. appsgit only lists apps whose repository had a commit in the last six months.