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OpenVSCode Server vs VSCodium: catalog facts
OpenVSCode Server	VSCodium
Free Free and open source.	Free Free and open source under the MIT licence.
Linux, Web, Self-hosted	Windows, macOS, Linux
Close to upstream VS Code Use the editor from any device with a browser	The same editor as VS Code, built from the same MIT-licensed source without Microsoft branding Telemetry is disabled in the default configuration
You must run and secure the server yourself Some Microsoft-specific VS Code features and marketplace access differ from the official build	Extensions come from Open VSX, so a few marketplace-only extensions are missing Microsoft’s proprietary extensions, including the C# debugger and Remote Development, are not licensed for it
Self-hosted	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 20, 2026

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