Eclipse Che : Eclipse Che is a developer workspace server and cloud IDE built for teams and organizations.
Babel : Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
howdoi : Instant coding answers via the command line.
Comby : Comby is a tool for matching and rewriting code.
Cypress : JavaScript End to End Testing Framework. Fast, easy and reliable testing for anything that runs in a browser.
Insight.io brings IDE-like code intelligence features such as cross-reference, class hierarchy and semantic search, right into your browser and helps developers to work with more productivity.