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Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

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Cloud & Desktop IDE Framework

Gitpod Ready-to-Code PRs Welcome Discourse status Build Status Publish VS Code Built-in Extensions Open questions Open bugs

Eclipse Theia is an extensible framework to develop full-fledged multi-language Cloud & Desktop IDE-like products with state-of-the-art web technologies.

Theia 1.0 has been released. Read the announcement.



Visit the Theia website for more documentation.


  • Support building browser-based and desktop IDEs
  • Provide a highly flexible architecture for adopters
  • Support VS Code Extension protocol
  • Develop under vendor-neutral open-source governance


See our roadmap for an overview about the current project goals and the upcoming releases.

Getting Started

Here you can find guides and examples for common scenarios: - Run Theia in Docker - Run Theia in Gitpod - a Theia-based IDE for GitHub - Develop a Theia application - your own IDE - Develop a Theia plugin - a VS Code like extension - Develop a Theia extension - Test a VS Code extension in Theia - Package a desktop Theia application with Electron


Read below to learn how to take part in improving Theia: - Fork the repository and run the examples from source - Get familiar with the development workflow, Coding Guidelines, Code of Conduct and learn how to sign your work - Find an issue to work on and submit a pull request - First time contributing to open source? Pick a good first issue to get you familiar with GitHub contributing process. - First time contributing to Theia? Pick a beginner friendly issue to get you familiar with codebase and our contributing process. - Want to become a Committer? Solve an issue showing that you understand Theia objectives and architecture. Here is a good list to start. Further, have a look at our roadmap to align your contributions with the current project goals. - Could not find an issue? Look for bugs, typos, and missing features.


Read below how to engage with Theia community: - Join the discussion on Discourse. - Ask a question, request a new feature and file a bug with GitHub issues. - Star the repository to show your support. - Follow Theia on Twitter.




"Theia" is a trademark of the Eclipse Foundation

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