Impel : Impel takes the pain out of working with HTML5 asynchronous databases.
Statement callbacks? Transaction callbacks? One-to-many and many-to-many relati...
css3-mediaqueries-js : make CSS3 Media Queries work in all browsers (JavaScript library)
impress.js : It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com
React : A JavaScript library for building user interfaces
ActiveJS is a JavaScript application framework that provides local and REST based data modeling and pure DOM view construction with back button and history support.