Get a better understanding of your application performance and behavior (SQL queries, jobs, cache, routes, logs, etc)

Port of the Rails plugin "geokit-rails" to Rails 3, as a gem

Translate your apps with pleasure (sort of...) and for free. It's simple i18n web interface, build on top of twitter bootstrap, that one may find helpful in translating app by non-technicals.

Metamagic is a simple Ruby on Rails plugin for creating meta tags.

Want to automatically detect mobile devices that access your Rails application? Mobile Fu allows you to do just that. People can access your site from a Palm, Blackberry, iPhone, iPad, Nokia, etc. and it will automatically adjust the format of the request from :html to :mobile.

Audio/Video Transcoder for Paperclip using FFMPEG/Avconv

Use of web components and polymer-project in Ruby on Rails projects

Mass populate an Active Record database.

Write React UI components in pure Ruby.

REST in Place is an AJAX Inplace-Editor that talks to RESTful controllers.

SAML IdP (Identity Provider) library in ruby

Sail is a lightweight Rails engine that brings an admin panel for managing configuration settings on a live Rails app.

You'll be in stitches at how easy it is to create a service at Stitch Fix

Tidewave for Rails

A rich text editor for everyday writing

twitter-typeahead-rails packages the typeahead.js jquery plugin for rails

X-editable for Rails

Define your permission rules as role- or role group specific permits. Integrates well with multiple Devise user acounts. Includes rules caching. Store permissions in yaml file or key-value store

Define your permission rules as role- or role group specific permits. Integrates well with multiple Devise user acounts. Includes rules caching. Store permissions in yaml file or key-value store

Convenient Rails support for Cells.