Redux Elm
The Elm Architecture in JavaScript http://salsita.github.io/redux-elm/
Onfire.js
onfire.js is a simple events dispatcher subscribe / publish library (< 1kb). async, simple and usefull.
Angular History
A history service for AngularJS. Undo/redo, that sort of thing. Has nothing to do with the "back" button, unless you want it to.
Hermes.js
Message and Error logger implementation
Visibility.js
Visibility.js allows you to determine whether your web page is visible to a user, is hidden in background tab or is prerendering. It allows you to use the page visibility state in JavaScript logic and improve browser performance by disabling unnecessary timers and AJAX requests, or improve user interface experience (for example, by stopping video playback or slideshow when user switches to another browser tab).
Qooxdoo
A Universal JavaScript Framework
Meteor
Meteor, an ultra-simple, database-everywhere, data-on-the-wire, pure-Javascript web framework.
Jquery Timeago
Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").
Curl
A small, fast module and resource loader with dependency management. (AMD, CommonJS Modules/1.1, CSS, HTML, etc.)
Serenade.js
Client side MVC framework
Fetchival
window.fetch wrapper for writing simple and expressive requests
Dozerjs
Foundational Framework for NodeJS Web Services
Sticky Kit
A jQuery plugin for creating smart sticky elements
Cram
Simple AMD and CommonJS module bundler.
Theory
Abstraction layer for cross platform JavaScript.
Ng Sweet Alert
:loudspeaker: Sweetalert directive for angular js( angular sweetalert), without writing single javascript code
Do T
The fastest + concise javascript template engine for nodejs and browsers. Partials, custom delimiters and more.