RSpec's 'test double' framework (mocks and stubs)

High performance memcached client for Ruby

Tool to execute plain-text documents as functional tests

A simple HTTP and REST client for Ruby, inspired by the Sinatra microframework style of specifying actions, get, put, post, delete.

Font-Awesome Sass gem for use in Ruby/Rails projects.

Ruby bindings for Augeas

With this gem it is possible to define form or wizard and display it to the user using one of the defined backends.

Converts documents in Markdown syntax to HTML

Ancestry is a gem that allows the records of a Ruby on Rails ActiveRecord model to be organised as a tree structure (or hierarchy). It employs the materialised path pattern and exposes all the standard tree structure relations (ancestors, parent, root, ...

Creates a multipart form post accessory for Net,,HTTP

Rake-based Ruby C Extension task generator

A toolkit for building modeling frameworks (part of Rails)

Facets-bread collection of Hash-like classes

A fast and nimble PDF generator for Ruby

Kramdown parser for GitHub-flavored markdown