https://adtmag.com/Articles/2024/07/03/Eclipse-Foundation-Releases-Theia-IDE.aspx > After approximately seven years in development, the Eclipse Foundation's Theia IDE project is now generally available, emerging from beta to challenge Microsoft’s similar Visual Studio Code (VS Code) editor. > The Eclipse Theia IDE is part of the Eclipse Cloud DevTools ecosystem. The Eclipse Foundation calls it "a true open-source alternative to VS Code," which was built on open source but includes proprietary elements, such as default telemetry, which collects usage data.