# HeliBoard (open-source keyboard)

> 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.

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…

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/HeliBorg/HeliBoard |
| Platforms | Android |
| Built with | Kotlin |
| GitHub stars | 6,290 |
| License | GPL-3.0-only (open source) |
| F-Droid | https://f-droid.org/packages/helium314.keyboard/ (package helium314.keyboard) |
| F-Droid anti-features | none flagged |
| Google Play | not linked |
| App Store | not linked |
| Website | none listed |
| Official | no |
| Category | Keyboards |
| Latest release | v4.1 (Aug 30, 2026) |
| Last commit | Oct 4, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

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