HeliBoard 4.2
Customizable open-source keyboard
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21.39 MB
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3this week
FreeFreeware
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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:
o Add dictionaries for suggestions and spell check
o build your own, or get them here, or in the experimental section (quality may vary)
o additional dictionaries for emojis or scientific symbols can be used to provide suggestions (similar to "emoji search")
o note that for Korean layouts, suggestions only work using this dictionary, the tools in the dictionary repository are not able to create working dictionaries
o Customize keyboard themes (style, colors and background image)
o can follow the system's day/night setting on Android 10+ (and on some versions of Android 9)
o can follow dynamic colors for Android 12+
o Customize keyboard layouts (only available when disabling use system languages)
o Customize special layouts, like symbols, number, or functional key layout
o Multilingual typing
o Glide typing (only with closed source library ?)
o library not included in the app, as there is no compatible open source library available
o can be extracted from GApps packages ("swypelibs"), or downloaded here (click on the file and then "raw" or the tiny download button)
o Clipboard history
o One-handed mode
o Split keyboard (only available if the screen is large enough)
o Number pad
o Backup and restore your settings and learned word / history data
License: GPL-3.0-only
Does not use internet permission, and thus is 100% offline.
Features:
o Add dictionaries for suggestions and spell check
o build your own, or get them here, or in the experimental section (quality may vary)
o additional dictionaries for emojis or scientific symbols can be used to provide suggestions (similar to "emoji search")
o note that for Korean layouts, suggestions only work using this dictionary, the tools in the dictionary repository are not able to create working dictionaries
o Customize keyboard themes (style, colors and background image)
o can follow the system's day/night setting on Android 10+ (and on some versions of Android 9)
o can follow dynamic colors for Android 12+
o Customize keyboard layouts (only available when disabling use system languages)
o Customize special layouts, like symbols, number, or functional key layout
o Multilingual typing
o Glide typing (only with closed source library ?)
o library not included in the app, as there is no compatible open source library available
o can be extracted from GApps packages ("swypelibs"), or downloaded here (click on the file and then "raw" or the tiny download button)
o Clipboard history
o One-handed mode
o Split keyboard (only available if the screen is large enough)
o Number pad
o Backup and restore your settings and learned word / history data
License: GPL-3.0-only
| Release info | Update on Oct 12, 2026 |
|---|---|
| Release notes | Changes since HeliBoard 4.2-beta1: • fix crash for weird layouts, by @MiMoHo (#2619) • fix crash on startup (#2856) • load .combined wordlists like .dict dictionaries (might be much slower though) |
| Listing data | F-Droid |
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