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VSCodium vs Rider: catalog facts
VSCodium	Rider
Free Free and open source under the MIT licence.	Freemium Free for non-commercial use. Commercial use requires a paid subscription.
Windows, macOS, Linux	Windows, macOS, Linux
The same editor as VS Code, built from the same MIT-licensed source without Microsoft branding Telemetry is disabled in the default configuration	Full .NET development on macOS and Linux, not just Windows Unity, Unreal and Godot integration for game work
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	Free only for non-commercial use Large install and high memory use
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is 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 September 22, 2026

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