A simple Rails app for testing CRUD with ember.js and ember-rest.js

minimal.js: HTML+JSON template engine

Lazy-load your JavaScript

Simple admin interface for the Delayed::Job gem

Automatically refresh your browser when a file has changed (using WebSockets)

Key shortcuts made simple

Pixel-perfect cross-browser loading icons through Canvas.

Library for reading/writing midi files in JavaScript

Give your JS App some Backbone with Models, Views, Collections, and Events

Set of Rails helpers for unobtrusive frontend validations using HTML5 attributes, Rails 3 validators and JavaScript.

Zepto.js is a minimalist JavaScript library for modern browsers, with a jQuery-compatible API

High performance memcached client for Ruby

A small library for creating Domain Specific Languages (DSLs)

A cache manager evening out the W3C's localStorage and IE's userData.

HTML5 <audio> or <video> player with support for MP4, WebM, and MP3 as well as HLS, Dash, YouTube, Facebook, SoundCloud and others with a common HTML5 MediaElement API, enabling a consistent UI in …

Javascript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser

Reflexive is a web based live class and source code browser

coffeescript on rhino

Simple, transparent CoffeeScript support for Rails and Rack apps.

Cockatoo is a simple chat server coded with EventMachine and using the Long Polling technique

The original official jQuery Templates plugin. This project was maintained by the jQuery team as an official jQuery plugin. It is no longer in active development, and has been superseded by JsRender.

A jQuery plugin that enables HTML5 placeholder behavior for browsers that aren’t trying hard enough yet

This project is obsolete. Use the asset pipeline now built into Rails instead.

JavaScript Fireworks

PandaStream Uploader

Unfancy JavaScript

Industrial Strength Asset Packaging for Rails

Destroy your records while keeping them in database, able to restore them later

Collaborative JavaScript Debugging App

jQuery BBQ: Back Button & Query Library