Diffbench is gem designed to benchmark the performance patches. It can run specified benchmark file before and after some changes made and show performance comparation result

A datamapper plugin for active_model compliance and thus rails 3 compatibility.

DataMapper plugin enabling simple versioning of models

MongoDB DataMapper Adapter

MySQL Adapter for DataMapper

PostgreSQL Adapter for DataMapper

REST Adapter for DataMapper

Handle your to-do/notes list through the command line

The e164 gem can parse and normalize numbers into the e164 format. It provides extra information on the Country Code and National Destination Codes. It can be used standalone or mixed into a model.

Save HTTP responses to give your tests a hint of reality. Responses are saved into your fixtures directory and are used for subsequent web requests until they expire.

Supports EPUB2 and EPUB3 formats.

fake_arel will simulate rails 3 arel syntax for Rails 2.

file upload and rmagick image resizing

Easily fetch product information from third party websites such as Amazon, Steam, eBay, etc.

foursquare-api is a Ruby wrapper for the new Foursqauare V2 API

Comparing apples with apples

For those that use Kanban or Scrum and want to print their cards so they can stick em on the wall

Caches retrieved information to your user profile and reuses it when you query again.

Code presentation tool using git

A Ruby library for limiting the number of times a method can be invoked within a specified time period.