Browse free open source Keyboards and projects below. Use the toggles on the left to filter open source Keyboards by OS, license, language, programming language, and project status.
Share a single keyboard and mouse between multiple computers
Show keyboard, gamepad and mouse input on stream
SharpKeys is a utility that manages a Registry key
A Vietnamese keyboard for Windows and Linux
An easy to use tool to change the behaviour of your input devices
Automate mouse clicks and keyboard input
mouse & keyboard sharing via LAN
A Hindi phonetic keyboard
Hacker's Keyboard Termux Mod
Arabic Keyboard Phonetic
OtoKeyboard: Stop typing manually. Get your free auto keyboard for Win
The keyboard and mouse sharing tool
Powerful utility for keyboard customization
Improve keyboard comfort and usability with advanced customization
Control your display's brightness & volume on your Mac
Fcitx5 input method framework and engines ported to Android
On-screen virtual keyboard
An advanced keyboard manager
An open-source keyboard for Android which respects your privacy
Khmer Unicode Keyboard Layout for External/Physical Keyboard
Android keyboard with a swipe input system, now with emoji support
Open source assistive on-screen keyboard that runs on Windows
Android (f/w 2.1+) on screen keyboard for multiple languages
Open source keyboards are keyboard applications whose source code is publicly available for inspection, modification, and distribution under an open source license. They provide users with an alternative to proprietary keyboard applications by emphasizing transparency, customization, and community-driven development. These tools are commonly used on mobile devices, desktops, and embedded systems to improve text input while giving users greater control over functionality and privacy.
Modern open source keyboards offer a wide range of capabilities, including multilingual typing, customizable layouts, gesture typing, predictive text, autocorrect, emoji support, clipboard management, and accessibility features. Because the underlying code is openly available, organizations and individual users can review security practices, adapt features to specific requirements, and integrate the keyboard with specialized workflows or devices. This flexibility makes open source keyboards suitable for personal, educational, and enterprise environments.
As privacy, transparency, and user control become increasingly important, open source keyboards continue to gain attention across different industries and user groups. They allow organizations to evaluate how input data is handled while enabling developers to contribute enhancements and maintain compatibility with evolving operating systems. By supporting customization and collaborative innovation, open source keyboards provide a flexible option for users seeking greater visibility into the tools they use every day.
The cost of open source keyboards varies depending on whether an organization adopts community-maintained tools, purchases commercial support, or invests in customization. While the underlying software is often available without licensing fees, businesses may still incur costs for implementation, configuration, training, and ongoing maintenance. Organizations with specialized workflow, accessibility, or multilingual requirements may also invest in additional development to tailor the keyboard to their needs.
When evaluating costs, it is important to consider the total cost of ownership instead of focusing only on the absence of licensing fees. Expenses related to technical support, security reviews, infrastructure, updates, and integration with existing business systems can add to the overall investment. Factoring in both direct and indirect costs helps organizations determine whether an open source keyboard solution provides the right balance of flexibility and long-term value.
Open source keyboards can integrate with mobile operating systems, accessibility tools, language translation services, predictive text engines, voice input technologies, clipboard management solutions, and password management tools. They may also connect with cloud synchronization services, enterprise mobility management platforms, device management solutions, and productivity applications to improve usability across personal and business environments. Integrations with input method frameworks, multilingual language packs, handwriting recognition technologies, and automation tools expand customization options while supporting different workflows. Through standard APIs and platform interfaces, open source keyboards can exchange data with compatible applications, helping users improve text input, accessibility, and efficiency across a wide range of devices.
Selecting the right open source keyboards starts with identifying your primary use case, whether for general typing, multilingual communication, accessibility, or privacy. Evaluate supported operating systems, language options, customization features, and input methods to ensure the keyboard meets your daily needs. Consider how frequently the project is updated, the strength of its development community, and the availability of documentation for installation and configuration. It is also important to review privacy settings, offline functionality, and permission requirements to protect user data. Verify compatibility with your devices and any applications you use regularly. Testing the keyboard in everyday scenarios can help confirm typing accuracy, responsiveness, customization options, and overall usability before making a long-term choice.