Visualize State Machines using GraphViz

This gem provides request authentication via [HMAC](http://en.wikipedia.org/wiki/Hmac). The main usage is request based, noninteractive authentication for API implementations. Two strategies are supported that differ mainly in how the authentication information is transferred to the server: O...

An ActiveRecord extension providing convenience methods for timestamp management.

Activity feeds backed by Redis

Combined events calendar for Google Calendar, iCal, and friends.

A simple gem that audit ActiveRecord models' attributes or methods by taking snapshots and diff them for you. Starting from scratch to work with Rails 3.2.2 onwards

Collection of classes to handle build systems (CMake, autotools, ...) and import mechanisms (tarballs, CVS, SVN, git, ...). It also offers a Rake integration to import and build such software packages. It is the backbone of the autoproj (http://rock-robotics.org/autoproj) integrated software proj...

Simple notification hooks for Capistrano

Cards are wiki-inspired data atoms.Card "Sharks" use links, nests, types, patterned names, queries, views, events, and rules to create rich structures.

A lightweight and database-level library to transform any Active Record query into analytics data ready for any chart

Timecop steps definition for Cucumber

Deadlines for ruby

A Ruby library for interacting with the Emarsys API.

Fault-tolerance tools for ruby based on circuit-breakers

Authenticate with GitHub

Token auth for grape apps

Linearly scale Heroku dyno counts based on sampled metrics

Billing for rack apps

A Rails engine to durably deliver schematized events to Amazon Kinesis via DelayedJob.

Engine for smoke tests and base classes