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Langium is an open source language engineering tool with first-class support for the Language Server Protocol, written in TypeScript and running in Node.js.

This reference documentation provides an overview, a getting started guide and a deep dive into several aspects of Langium. Additional topics are covered in the Guides section and step-by-step walkthroughs are available in the tutorials section.

Want to contribute?

Visit the Langium repository to take part in improving Langium.