The Eclipse Xtext language development framework can be used to implement domain-specific languages (DSLs) as well as fully blown programming languages. In addition to a modern compiler architecture, it comes with tool support for different platforms, like Eclipse, IntelliJ and Web.

Today, I want to point you at a GitHub repository we have been contributing to for the last couple of weeks. Theia is a collaborative and open effort to build a new IDE framework in TypeScript.

Back in May, we announced a new open-source IDE framework for build Desktop & Cloud IDEs implemented in TypeScript. Since then, Theia has become more mature and feature rich, approaching its BETA release on December 6.