eclipse-theia/theia
Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.
theia is an open source TypeScript project by eclipse-theia, created in February 2017. It has 21,712 stars and 2,925 forks on GitHub and is released under the EPL-2.0 license. Its most recent commit was on Oct 20, 2026, and it has 1,443 open issues, 2 of them labelled “good first issue”, which makes it a friendly place to start contributing. Its GitHub topics include ide, editor, language-server-protocol, and electron. On FindOpenSource.dev it is listed under Editors & IDEs.
