Woxi is an open-source interpreter for the Wolfram Language written in Rust. It offers a Mathematica-like GUI called Woxi Studio, built with iced, alongside a CLI, Jupyter kernel, Python package, npm package, and WASM module. Compared to Mathematica, Woxi is free, open-source, and has a very fast startup—typically milliseconds rather than seconds—making it practical for shell scripts and one-liners. It is embeddable and can run in a browser via WASM.

Conformance is ensured with approximately 26,000 unit tests and 900.wls script snapshot tests. The current focus is on fixing remaining edge cases, improving performance, and growing the community. If you use the Wolfram Language, the developers are particularly interested in feedback on compatibility and missing functionality.

Contributions and bug reports are welcome on GitHub. Woxi provides multiple front-ends including a playground, command-line tool, and a native notebook editor for .nb files with export to various formats.