Preload factories (Factory Bot) just like fixtures. It will be easier and, probably, faster!

Preseed reusable data for factory girl

This gem provides jQuery FancyBox 2 for your Rails 3.1/4.0 application. This gem is based on the gem for Fancybox 1.x by Chris Mytton

Free US and world-wide postal codes in SQLite and CSV format. Automated zipcode/postal code aggregation and processing for any needs.

A smarter way of doing many-to-many relationships in Rails.

A Jekyll plugin to use SQLite databases as a data source.

This Gem gives you access to a signature pad form helper so you can save touchpad signatures as encoded png data

Double entry bookkeeping with Rails

lazy_migrate lets you easily see which migrations have and have not been run, and makes it easy to up/down/migrate/rollback your migrations through a terminal UI. You can even bump migration versions in the event that you've just pulled master and somebody else merged their migration before yours.

newscast - newsreader for easy (re)use - build your own facebook newsfeed in 1-2-3 steps in 5 minutes

Improve perceived performance of your rails application with minimum effort

An extension to paper_trail, using this you can fetch actual object who was responsible for this change

Browse, subscribe, view and revert changes to records when using Ruby on Rails 3 and the `paper_trail` gem.

pluto - Another Planet Generator (Lets You Build Web Pages from Published Web Feeds)

pluto-news - newsreader for easy (re)use - build your own facebook newsfeed in 1-2-3 steps in 5 minutes

Proof provides an easy-to-use JWT-based authentication system.

PunchingBag is a hit counting and simple trending engine for Ruby on Rails

Debugging toolbar for Rack applications implemented as middleware. Based on logical-insight and rack-bug.

RailsDbInfo is a Rails engine that quickly shows the database info

Highly customizable exception handling for Ruby on Rails