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

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