A good, simple, solid tagging extension for ActiveRecord

Create temporary table-backed ActiveRecord models for use in tests

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.

A rich text editor for everyday writing

ach is a Ruby helper for building and parsing ACH files. In particular, it helps with field order and alignment, and adds padding lines to end of file.

Run minitest suites after your Chef recipes to check the status of your system.

Bootstrap is Twitter's toolkit for kickstarting CSS for websites, apps, and more. It includes base CSS styles for typography, forms, buttons, tables, grids, navigation, alerts, and more.

Write Rails controllers with one class per action

TabsOnRails is a simple Ruby on Rails plugin for creating tabs and navigation menu for a Rails project.

Adds zipcode validation methods to ActiveModel considering different country zipcode formats.

Convenient Rails support for Cells.

An easy extension for Paperclip to crop your image uploads using jCrop

URI normalization, c14n, escaping, and extraction

A Rails interface for Intuit's Quickbooks Web Connector that's OPEN SOURCE!

Asset path helpers for Sprockets 2.x & 3.x applications

Render versioned views automagically based on the clients requested version.

Simple geocoding for Active Record models. See the README for more details.

Make user messageable!;-)

Adds typed hstore backed fields to an ActiveRecord model.

Generated scopes for ActiveRecord classes.