Egjs
Set of UI interactions, effects and utilities components library using jQuery.
Twitterlib
Twitter JavaScript API library
Invisible
Invisible.js: Reusable models for the client and the server
Flow Js
Javascript Library for Multi-step Asynchronous Logic
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).
Libretaxi
LibreTaxi, free and open source Uber/Lyft alternative to connect passengers and drivers.
Rambda
Faster alternative to Ramda in just 10kB
Use.js
An AMD/RequireJS plugin for consuming incompatible JavaScript files.
PreloadJS
PreloadJS makes preloading assets & getting aggregate progress events easier in JavaScript. It uses XHR2 when available, and falls back to tag-based loading when not.
Vue Moment
Handy Moment.js filters for your Vue.js project.
Humane.js
A simple, modern, browser notification system
Contra
Asynchronous flow control with a functional taste to it
Grapnel.js
A simple, lightweight library making it easy to create routes or run events based on a specific URL hashtag.
Bottlejs
A powerful, extensible dependency injection micro container for JavaScript applications
Vue I18n
:globe_with_meridians: Internationalization plugin for Vue.js
JS Signals
Custom Event/Messaging system for JavaScript inspired by AS3-Signals
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.