Tangle
a JavaScript library for reactive documents
JayData
JayData is a unified data access library for JavaScript to CRUD data from different sources like WebSQL/SQLite, IndexedDB, MongoDb, ASP.NET WebAPI, OData, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js, Handlebars.js or Sencha Touch 2 and can be used on Node.js as well.
Onfire.js
onfire.js is a simple events dispatcher subscribe / publish library (< 1kb). async, simple and usefull.
Across Tabs
Easy communication between cross-origin browser tabs
Mobservable
Observable data. Reactive functions. Simple code.
Lmd
LMD: Lazy Module Declaration. Be lazy: lazy load @ lazy init
Knockout Projections
Knockout.js observable arrays get smarter
Refluxjs
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux
Davis.js
RESTful degradable JavaScript routing using pushState
Modules Webmake
Bundle CommonJS/Node.js modules for web browser
Meld
AOP for JS with before, around, on, afterReturning, afterThrowing, after advice, and pointcuts
Gas
Google Analytics on Steroids. A Google Analytics implementation with more power features.
Fluxxor
Flux architecture tools for React
Ramda
:ram: Practical functional Javascript
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Sherlock
Natural-language event parser for Javascript
Humane.js
A simple, modern, browser notification system