Best Open Source Kotlin Keyboards

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Browse free open source Kotlin Keyboards and projects below. Use the toggles on the left to filter open source Kotlin Keyboards by OS, license, language, programming language, and project status.

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1

FlorisBoard

An open-source keyboard for Android which respects your privacy

FlorisBoard is a free and open-source keyboard for Android 7.0+ devices. It aims to be modern, user-friendly, and customizable while fully respecting your privacy. Currently in early beta state.

Downloads: 27 This Week

Last Update: 2025-11-28
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2

Fcitx5 Android

Fcitx5 input method framework and engines ported to Android

fcitx5‑android is an Android port of the fcitx5 input method framework (originally for Linux). It brings features of desktop IME—like pinyin, table-based input, and plugin support—to Android devices. APKs are available via GitHub, F‑Droid, and Google Play.

Downloads: 8 This Week

Last Update: 2026-07-26
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3

ARK-näppäimistö

Finnish Android keyboard that learns your words on the device

ARK-näppäimistö is a Finnish-language Android keyboard that learns the words you use and predicts the next word. Learning and suggestions stay entirely on the device; the app has no analytics and no ads, and nothing is learned in password fields. Five to eight suggestions appear in a scrollable row and a long press on a key opens a character menu. The keyboard also offers an on-device translation view, voice typing with the device's speech recognition, a clipboard with pinnable clips, emojis, a cursor mode, a customisable toolbar and password autofill from the suggestion row. Learned words move to another device with a backup. The base word list comes from the Institute for the Languages of Finland (Kotus), licensed under CC BY 4.0. Source code, issues and discussions: https://github.com/jrs8205/ARK-nappaimisto

Downloads: 60 This Week

Last Update: 2026-10-13
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