In showing a long lists, sometimes one would prefer to see the value arranged aligned in columns. Some examples include listing methods of an object or debugger commands. See Examples in the rdoc documentation for examples.

A database backend that translates database interactions into no-ops. Using NullDB enables you to test your model business logic - including after_save hooks - without ever touching a real database.

This library helps write robots.txt compliant web robots in Ruby.

This gem provides a Ruby interface for SymEngine, a fast C++ library for symbolic manipulation, so that the you can use the features of SymEngine in ruby.

Simple and opinionated helper for creating Rubygem projects on GitHub

mediawiki parser

Devise extension to allow authentication via LDAP

Ruby library to interact with HipChat

Rhodes mobile framework

Custom SimpleCov formatter to generate a lcov style coverage.

Provides the Import command for Jekyll.

hubspot-ruby is a wrapper for the HubSpot REST API

ActiveRecord Reputation System gem allows rails apps to compute and publish reputation scores for active record models.

Handles bootstrapping, running chef solo, rsyncing cookbooks etc

Fixtures aren't fun. Machinist is.

BufferedTokenizer extracts token delimited entities from a sequence of string inputs

With the simple-navigation gem installed you can easily create multilevel navigations for your Rails, Sinatra or Padrino applications. The navigation is defined in a single configuration file. It supports automatic as well as explicit highlighting of the currently active navigation through regula...

Cool.io provides a high performance event framework for Ruby which uses the libev C library

Git Reflow manages your git workflow.

Ruby DSL based software provisioning tool