Wordcount.js
Calculate file newlines, word, and byte counts on client side using HTML5 File API. (Emulates Linux's wc command)
Goodnight
A super small Javascript plugin for applying CSS styles at night.
Tourist
Simple, flexible tours for your app
Stats.js
JavaScript Performance Monitor
Qrcodejs
Cross-browser QRCode generator for javascript
Offline
Automatically display online/offline indication to your users. #hubspot-open-source
Anypixel
AnyPixel.js is an open-source software and hardware library that makes it possible to use the web to create big, unusual, interactive displays.
Globalize
A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data
Red Script
A Ruby Flavored Language
Dropbox JS
JavaScript client library for the Dropbox API
Egg.js
A simple javascript library to add easter eggs to web pages.
Natural Regex
Create regex from natural language
Kartograph.js
Open source JavaScript renderer for Kartograph SVG maps
Togetherjs
A service for your website that makes it surprisingly easy to collaborate in real-time.
Sticky
jQuery Plugin for Sticky Objects
Baffle
A tiny javascript library for obfuscating and revealing text in DOM elements. :astonished:
Gitgraph.js
A JavaScript library to draw pretty git graphs in the browser