Free, open source
Build with the world’s most
Build with the world’s most
popular programming language.
The place to collaborate on an open-source
implementation of the Java Platform, Standard Edition, and related projects.
Download
Download and install the latest open-source JDK. Oracle’s free, GPL-licensed, production-ready OpenJDK JDK 24 binaries for Linux, macOS, and Windows are available at jdk.java.net/24; Oracle’s commercially-licensed JDK 24 binaries, based on the same code, are here.
Learn
Compose with just Markdown. Enrich with Shortcode components.
Hack
Built-in full text search with FlexSearch, no extra setup required.