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Eclipse IDE for Rust Developers vs VSCodium: catalog facts
Eclipse IDE for Rust Developers	VSCodium
Free Free and open source under the Eclipse Public License.	Free Free and open source under the MIT licence.
Windows	Windows, macOS, Linux
Free and open source Part of the long-running Eclipse IDE family	The same editor as VS Code, built from the same MIT-licensed source without Microsoft branding Telemetry is disabled in the default configuration
The foundation homepage says little about the Rust package itself Full IDE rather than a lightweight editor	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
Downloadable app	Downloadable app
Open source	Open source
License: EPL-1.0	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 20, 2026

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