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Eclipse Che vs Theia IDE: catalog facts
Eclipse Che	Theia IDE
Free Free and open source to self-host; an online trial is hosted by Red Hat.	Free Free and open source.
Web, Self-hosted	Windows, macOS, Linux, Web
Only a browser is needed to start coding Workspaces defined in versioned Devfiles	Runs VS Code extensions from Open VSX Available on desktop and online
Requires a Kubernetes cluster to self-host More infrastructure than a local editor for individual use	Uses Open VSX rather than the Microsoft extension marketplace Smaller user community than VS Code
Self-hosted, Hosted service	Downloadable app, Web application
Open source	Open source
License: EPL-2.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.