l0ng-ai/openidea: The IDE you know, rebuilt in Rust

OpenIDEA is a native IDE built with a Rust core that brings IntelliJ IDEA keymaps, tool windows, and search workflows to macOS, Windows, and Linux. It supports over 60 languages and provides editor, code insight, debugger, Git, terminal, database, and HTTP client features. Benchmark tests in the repository indicate significantly lower memory usage and faster ready times compared to IntelliJ IDEA 2026.2.3 on a Windows 11 test machine. Open article →