jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
Tracery : A story-grammar generation library for javascript. Write grammar objects, get generative stories.
React : A JavaScript library for building user interfaces
Data Science Toolkit : A collection of the best open data sets and open-source tools for data science, wrapped in an easy-to-use REST/JSON API with command line, Python and ...
ActiveJS : ActiveJS is a JavaScript application framework that provides local and REST based data modeling and pure DOM view construction with back button and hi...
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.