Theia
Theia is an open-source cloud and desktop IDE framework built with modern web technologies like TypeScript and Node.js. It enables developers to create customizable, extensible, and language-agnostic integrated development environments that can run in browsers or as desktop applications. Theia is designed to be highly modular, supporting features such as language servers, debug adapters, and a rich extension system.
Developers should learn Theia when building or customizing IDEs for specific domains, such as cloud-based development tools, educational platforms, or enterprise environments requiring tailored workflows. It is particularly useful for creating multi-language, extensible IDEs that need to run both locally and in the cloud, offering flexibility and integration with modern web standards. Use cases include developing specialized tools for IoT, data science, or collaborative coding environments.