Create .torrent files easily with this gem. The code is ugly, but it works :)

A Ruby implemenation of the well-known graph library called "networkx".

This gem is a client implementation of the Open Cloud Computing Interface in Ruby

library for interacting with packagecloud.io

Simplify page object definition for UI tests

Parameters allows you to add annotated variables to your classes which may have configurable default values.

A simple date class that can be used to store partial date values in a single column/attribute. An example use case would include an archive, or catalogue entry where the complete date is unknown.

HTTP stub as DSL

A ruby command line/rack application for testing systems that send WebHooks using a HTTP POST request. Requests can be viewed via a simple web interface.

Communicate with Rev.com API using plain Ruby objects without bothering about HTTP

A way to integrate AngularJS into a Rails project using CoffeeScript and Bower.

Post-framework Ruby view library. It is based on Tilt and meant to provide entire view layer for a web application (based on any framework or completely frameworkless).

Structured Text Renderer for the Contentful StructuredText field type

Humanize elapsed time from some Time instance to Time.now, e.g. '2 hours and 1 minute ago'

Simple and solid timezone offset class

Some tools that make working with the Varnish HTTP cache easier, including things like doing mass purges of entire domains.

A pluggable webhook subscription system

Is that gem any good?

a modular cellular automata engine with the goal of providing a simulation service framework

Defines test assertions to test against SQL queries