Open Source Mobile Operating Systems Keyboards
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Keyboards for Mobile Operating Systems
Browse free open source Keyboards and projects for Mobile Operating Systems below. Use the toggles on the left to filter open source Keyboards by OS, license, language, programming language, and project status.
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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. -
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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. -
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Florence
On-screen virtual keyboard
Florence is an extensible scalable on-screen virtual keyboard for GNOME that stays out of your way when not needed. You need it if you can't use a real keyboard either because of a handicap, broken keyboard or tablet PC but you can use a pointing devide. -
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Hackerskeyboard
Hacker's Keyboard Termux Mod
Hacker’s Keyboard is a full-featured Android soft keyboard offering a PC-style layout—including five rows, arrow keys, Ctrl/Esc/Tab, and punctuation—making it ideal for SSH, coding, and technical tasks. -
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KhmerUnicodeLayout for External Keyboard
Khmer Unicode Keyboard Layout for External/Physical Keyboard
A lightweight Android tool that adds native Khmer Unicode support for external/hardware keyboards. Implements the standard NiDA layout to allow Khmer typing via USB/Bluetooth keyboards, with ongoing fixes for combining Unicode diacritics correctly. -
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KryptEY
Android keyboard for secure E2EE communication
KryptEY is a secure, privacy‑focused Android keyboard that implements the Signal Protocol (X3DH + Double Ratchet) directly in the keyboard layer. It enables end-to-end encrypted messaging within any app—without relying on external servers—ensuring that key exchanges and message encryption happen locally, maintaining Signal-level security across platforms. -
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Codeboard
Codeboard App
CodeBoard is an open‑source Android keyboard tailored for coding. It consolidates symbols, code navigation, editing shortcuts, and clipboard tools into one keyboard—eliminating constant layout switching between alphabets, numbers, and symbols. -
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Slide Keyboard
Android keyboard with a swipe input system, now with emoji support
An Android soft keyboard offering swipe-based typing (SlideType style) enriched with emoji and symbol toggling. Designed to improve typing speed and fluidity by supporting gesture input and modern keyboard features. -
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Alphabetical Keyboard
Alphabetical Keyboard
Android keyboard with keys arranged alphabetically. -
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Android: MaruPad
Round hiragana keyboard for Android.
Japanese hiragana keyboard for Android. It' shaped like a circle and you write by swiping towards choices. It's fast but it's not a complete Japanese keyboard. More of a proof of concept. Also a good example code if you want to make your own unconventional keyboard for Android. -
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CodeWhisk
Programming keyboard for Android
CodeWhisk is an input method for Android that is designed to make programming code entry efficient (and fun!) -
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EmoticonGIFKeyboard
An advance Emoticons & GIF keyboard
EmoticonGIFKeyboard is an embeddable Android library offering a lightweight, customizable keyboard UI for inserting emojis and GIFs into apps. It simplifies integration into messaging or social apps to enrich user input without the overhead of a full-featured IME. -
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Fadeboard
Android Keyboard transforms simple letters into special characters
FadeBoard is a niche Android keyboard that converts typed text into special Unicode characters—designed to circumvent basic text filters and content restrictions. It provides a playful tool to make messages less detectable by simplistic moderation. -
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Flow
Flow is an on-screen keyboard for Android devices.
Flow is an on-screen keyboard for Android devices. It combines many features to enable exceptionally fast text input, including an optimized keyboard layout based on common patterns in English words. -
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IQKeyboardManager
Codeless universal library to prevent issues of keyboard sliding up
Codeless drop-in universal library allows to prevent issues of keyboard sliding up and cover UITextField/UITextView. Neither need to write any code nor any setup required and much more. While developing iOS apps, we often run into issues where the iPhone keyboard slides up and covers the UITextField/UITextView. IQKeyboardManager allows you to prevent this issue of keyboard sliding up and covering UITextField/UITextView without needing you to write any code or make any additional setup. To use IQKeyboardManager you simply need to add source files to your project. IQKeyboardManager works on all orientations, and with the toolbar. It also has nice optional features allowing you to customize the distance from the text field, behaviour of previous, next and done buttons in the keyboard toolbar, play sound when the user navigates through the form and more. -
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Koko Keyboard
Implementation of a re-usable custom onscreen keyboard
KokoKeyboard is a Java-based reusable on-screen keyboard component/library for Android. It provides developers a template to build custom IME experiences without starting from scratch—ideal for niche input needs. -
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LanguagePack
Persian Language for Anysoftkeyboard
Add persian layout for anysoft keyboard. -
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This project is for a virtual keyboard on the silkscreen area of a PalmOS device. It supports multiple key layouts editable on the handheld itself; previewing on the screen; and macros to start programs or input keys. 10x4 Qwerty layout included.
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OTG Nilboard
Android smartphone app to suppress the default keyboard
An Android app that disables the default on-screen keyboard when a hardware keyboard is connected via OTG, offering a distraction-free typing experience. -
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Stroke Input Method for Android
Android Chinese keyboard: Stroke Input Method
This minimalist Android IME enables input of Chinese characters via stroke sequences. It supports over 28k characters (including Cantonese), offers simplified/traditional preferences, avoids ads, permissions, and telemetry, ensuring privacy and simplicity. -
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Virtual Keyboard for BlackBerry PlayBook
Virtual Keyboard for BlackBerry PlayBook. Russian layout implemented.
Virtual Keyboard for BlackBerry PlayBook. Russian layout implemented. -
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react-native-keyboard-aware-scroll-view
ScrollView component that handles keyboard appearance
A ScrollView component that handles keyboard appearance and automatically scrolls to focused TextInput. You can use the KeyboardAwareScrollView, KeyboardAwareSectionList or the KeyboardAwareFlatList components. They accept ScrollView, SectionList and FlatList default props respectively and implement a custom high order component called KeyboardAwareHOC to handle keyboard appearance. The high order component is also available if you want to use it in any other component. Import react-native-keyboard-aware-scroll-view and wrap your content inside it. First, Android natively has this feature, you can easily enable it by setting windowSoftInputMode in AndroidManifest.xml. The HOC can also be configured. Sometimes it's more convenient to provide a static config than configuring the behavior with props.
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