Pencilblue
Full stack online publishing and CMS for Node.js
Functional Js
A functional js library that facilitates currying and point-free / tacit programming
Somajs
Scalable javascript framework
101
A modern JS utility library
Then.js
The fastest, smallest, fully compatible, full-featured asynchronous module!
Angular Meteor
Combining the simplicity and power of AngularJS and Meteor
Paperclip.js
reactive DOM template engine built for speed, and extensibility
Bottlejs
A powerful, extensible dependency injection micro container for JavaScript applications
Sift.js
filter arrays using mongodb queries
Fluxxor
Flux architecture tools for React
Refluxjs
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux
Fast.js
Faster user-land reimplementations for several common builtin native JavaScript functions.
Webpack
Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.
Autolink Js
Tiny little tool to find URLs in a string of text and hyperlink them
Junior
A front-end framework for building html5 mobile apps with a native look and feel.
Js Cache
jsCache is a javascript library that enables caching of javascripts, css-stylesheets and images using my localStorage polyfill. This is especially useful when serving your website for mobile phones, which have limited HTTP caching available, but also speeds up your site in an ordinary web browser as it saves HTTP requests and loads all files asynchronously.
Pegasus
Load data while still loading other scripts and display data faster in jQuery, Backbone, Angular, ... apps