Objgrep
Find strings inside complicated javascript objects
Hello.js
A Javascript RESTFUL API library for connecting with OAuth2 services, such as Google+ API, Facebook Graph and Windows Live Connect
Goodnight
A super small Javascript plugin for applying CSS styles at night.
Cutter.js
Truncate HTML code to limit its length by number of words without losing markup.
Idle.js
Javascript activity library for the browser. (away, idle, etc)
Communist
JavaScript library for web workers.
Purl
A JS utility for for parsing URLs and extracting information out of them.
React Decoration
A collection of decorators for React Components
Angular Bootstrap Boilerplate
Angular CRUD application starter with NgRx state management and Firebase backend
Wordcount.js
Calculate file newlines, word, and byte counts on client side using HTML5 File API. (Emulates Linux's wc command)
Gitdown
GitHub markdown preprocessor.
Natural Regex
Create regex from natural language
Impress.js
It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.
Timer.js
Timer.js is a periodic timer for Node.js and the browser.
Dropbox JS
JavaScript client library for the Dropbox API
Stratifiedjs
Oni StratifiedJS (previously Apollo)
Offline
Automatically display online/offline indication to your users. #hubspot-open-source