The Javascript Architectural Toolkit

JSON Patch and diff based on rfc6902

Ultra-high performance reactive programming

A solid, fast Promises/A+ and when() implementation, plus other async goodies.

AOP for JS with before, around, on, afterReturning, afterThrowing, after advice, and pointcuts

curl.js is small, fast, extensible module loader that handles AMD, CommonJS Modules/1.1, CSS, HTML/text, and legacy scripts.

cujojs/most W3C Messaging - reactive event streams for WebSocket, Worker, EventSource, MessagePort, etc

A light, fast, flexible Javascript IOC container

Small, fast, awesome. The only ES5-ish set of polyfills (shims) you can mix-and-match because they're individual modules.

(No longer maintained) Basic performance tests for promise implementations