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Visual Studio vs Theia IDE: catalog facts
Visual Studio	Theia IDE
Freemium Community edition is free; Professional and Enterprise are paid.	Free Free and open source.
Windows	Windows, macOS, Linux, Web
Complete toolset for .NET and C++ projects IntelliSense code completion and an integrated debugger	Runs VS Code extensions from Open VSX Available on desktop and online
Large install compared with a plain code editor Professional and Enterprise editions are paid	Uses Open VSX rather than the Microsoft extension marketplace Smaller user community than VS Code
Downloadable app	Downloadable app, Web application
Closed source	Open source
License: Proprietary	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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