Uranium
Universal css-in-js media queries for React Native and React
Lunr.js
A bit like Solr, but much smaller and not as bright
Jsviews
Interactive data-driven views, built on top of JsRender templates
Bacon.js
FRP (functional reactive programming) library for Javascript
Almond
A minimal AMD API implementation for use after optimized builds
Imagesloaded
JavaScript is all like "You images done yet or what?"
Machina.js
js ex machina - finite state machines in JavaScript
Junior
A front-end framework for building html5 mobile apps with a native look and feel.
Javascript State Machine
A finite state machine javascript micro framework
Ethvtx
🌀Ethereum-Ready & Framework-Agnostic Redux Store Configuration
Tungstenjs
Tungsten.js is a modular framework for creating web UIs with high-performance rendering on both server and client.
Inject
AMD and CJS dependency management in the browser
JS Signals
Custom Event/Messaging system for JavaScript inspired by AS3-Signals
Flakes
Flakes is an Admin Template Framework. A combination of CSS Libraries, JavaScript Libraries and Design files that help you build business tools very quickly.
jQuery Pjax
pushState + ajax = pjax
Ractive
Next-generation DOM manipulation
History.js
History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTools and Prototype. For HTML5 browsers this means that you can modify the URL directly, without needing to use hashes anymore. For HTML4 browsers it will revert back to using the old onhashchange functionality.