Theia is a cloud & desktop IDE framework implemented in TypeScript.

• Provide the end-user with a full-fledged multi-language IDE (not just a smart editor)
• Support equally the paradigm of Cloud IDE and Desktop IDE
• Provide extenders with a platform on which to build their own products
• Provide support for multiple languages via the language and debug server protocols

A 1.0 BETAversion of Theia is planned for December 6, 2017. The contributors have committed to deliver a framework for building browser and desktop IDEs with the following features by then:

• Dynamic Extension System
• Rich Text Editing incl. Language Server Protocol Support
• Launching and Debugging Processes
• Shell With Flexible Layouts and Side Panels
• Electron & Browser Support
• Language Support for TypeScript, C/C++, Java, Python, Go, YANG
• Diagramming Support through Sprotty
• many more features

The team is also working on the following Open-Source Products based on Theia:

• Yangster - A YANG IDE

You can find more details on how to run the examples here.