Machina.js
js ex machina - finite state machines in JavaScript
Onfire.js
onfire.js is a simple events dispatcher subscribe / publish library (< 1kb). async, simple and usefull.
Pegasus
Load data while still loading other scripts and display data faster in jQuery, Backbone, Angular, ... apps
Backbone Associations
Create object hierarchies with Backbone models; Respond to hierarchy changes using regular Backbone events.
Fluxible
A pluggable container for isomorphic flux applications
Sift.js
filter arrays using mongodb queries
Fast Memoize.js
:rabbit: Fastest possible memoization library
Highland
High-level streams library for Node.js and the browser
jStorage
jStorage is a simple key/value database to store data on browser side. As a bonus it is also a local pubsub platform to sync data between tabs/windows
Node Decorators
node-decorators
Sticky Kit
A jQuery plugin for creating smart sticky elements
Portal Vue
A Portal Component for Vuejs, for rendering DOM outside of a component, anywhere in the document.
Inject
AMD and CJS dependency management in the browser
Mobservable
Observable data. Reactive functions. Simple code.
Lazy.js
Like underscore.js, but lazier
Immer
Create the next immutable state by mutating the current one
Superagent
Ajax with less suck - (and node.js HTTP client to match)