RequireJS : RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino ...
Babel : Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
Sarien.net : Welcome to Sarien.net, the authorized portal for reliving classic Sierra On-Line adventure games. With its focus on instant fun and a unique multiplay...
Cypress : JavaScript End to End Testing Framework. Fast, easy and reliable testing for anything that runs in a browser.
A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.