Hogan.js http://twitter.github.io/hogan.js/ - Twitter product, and yes, it appears to be named after Hulk Hogan (wikipedia link) AngularJS http://angularjs.org/ - Google product, website is designed using bootstrap Bacon.js https://github.com/baconjs/bacon.js - reactive javascript framework, because everyone loves bacon Ember.js http://emberjs.com/ - Flight http://flightjs.github.io/ - Twitter product Typescript http://www.typescriptlang.org/ - javascript compiler