Theia
Theia is a free, open-source developer tool for Windows, macOS and Linux. Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript. It has 21,725 GitHub stars and is released under the EPL-2.0 license. Its source code is on GitHub at eclipse-theia/theia.
github.com/eclipse-theia/theia (opens in a new tab)
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About Theia
Eclipse Theia is an extensible framework to develop full-fledged multi-language Cloud & Desktop IDEs and tools with state-of-the-art web technologies.
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Is Theia free and open source?
Yes. Theia's source code is public on GitHub under the EPL-2.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Theia?
Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v1.76.0).
Is Theia still maintained?
The repository's most recent commit was on Oct 27, 2026. appsgit only lists apps whose repository had a commit in the last six months.