Keyman Developer is the standard open-source platform for building custom keyboard layouts for any language across Windows, macOS, Linux, Android, and iOS. Whether you are developing a keyboard for a constructed language (conlang) or an under-supported indigenous language, this tool provides a comprehensive Integrated Development Environment (IDE) to design, test, and package your input methods. How to Access the Keyman Developer Download
To get the latest stable version of the software, visit the official Keyman Developer Downloads page . As of May 2026, the current stable branch is . keyman developer download