Theia IDE is a modern, open-source development environment that runs on desktop and in the cloud. Not a VS Code fork, Theia supports the Language Server Protocol (LSP), is fully compatible with VS Code extensions, and features advanced AI support — all while keeping full control of your data.

Eclipse Theia is a platform for building custom Cloud & Desktop IDEs and tools with modern web technologies. The Eclipse Theia Platform is not a tool itself, but there are many tools which are built upon Theia. The Theia project provides a tool called Eclipse Theia IDE that can be …

Discover the Theia Platform, an open-source framework for building custom and tailored cloud and desktop IDEs and tools using modern web technologies without forking.

Theia IDE: A tool based on the Theia Platform that can be used as a template for creating installable desktop applications based on Theia with additional features such as automatic updates, branding, etc..

Discover the Theia Platform, an open-source framework for building custom and tailored cloud and desktop IDEs and tools using modern web technologies without forking. Fully extensible and vendor-neutral, Theia enables the development of tailored, white-labeled, and domain-specific tools, supporting Language Server Protocol (LSP), VS Code ...

Discover the Theia Platform, an open-source framework for building custom and tailored cloud and desktop IDEs and tools using modern web technologies without forking.

👉 Introducing the AI-powered Theia IDE: AI-driven coding with full Control. 👉 Introducing Theia AI: The Open Framework for Building AI-native Custom Tools and IDEs

Discover the Theia Platform, an open-source framework for building custom and tailored cloud and desktop IDEs and tools using modern web technologies without forking.

To create a Theia application, you can select a number of Theia extensions provided by the Theia project (core extensions), add your own custom Theia extensions and then compile and run the result. Your custom Theia extension will have access to the same API as the core extensions.

If you're looking for the AI-powered Theia IDE as an end user, please see the user documentation or go to the download page to get Theia IDE. This section explains how to build custom AI assistants and integrate AI support into custom tools and IDEs using Theia AI.