WebSocket protocol handler with pluggable I/O

Generic extension manager for WebSocket connections

A Ruby wrapper for the OAuth 2.0 protocol built with a similar style to the original OAuth spec.

FSEvents API with Signals catching (without RubyCocoa)

WebMock allows stubbing HTTP requests and setting expectations on HTTP requests.

MessagePack is a binary-based efficient object serialization library. It enables to exchange structured objects between many languages like JSON. But unlike JSON, it is very fast and small.

Signet is an OAuth 1.0 / OAuth 2.0 implementation.

bcrypt() is a sophisticated and secure hash algorithm designed by The OpenBSD project for hashing passwords. The bcrypt Ruby gem provides a simple wrapper for safely handling passwords.

factory_girl provides a framework and DSL for defining and using factories - less error-prone, more explicit, and all-around easier to work with than fixtures.

Easy upload management for ActiveRecord

Upload files in your Ruby applications, map them to a range of ORMs, store them on different backends.

The OS gem allows for some useful and easy functions, like OS.windows? (=> true or false) OS.bits ( => 32 or 64) etc"

Great Ruby debugging companion: pretty print Ruby objects to visualize their structure. Supports custom object formatting via plugins

Manipulate images with minimal use of memory via ImageMagick

Hashdiff is a diff lib to compute the smallest difference between two hashes.

Simple, feature rich ascii table generation library

Retriable is a simple DSL to retry failed code blocks with randomized exponential backoff. This is especially useful when interacting external api/services or file system calls.

Daemons provides an easy way to wrap existing ruby scripts (for example a self-written server) to be run as a daemon and to be controlled by simple start/stop/restart commands. You can also call blocks as daemons and control them from the parent or just daemonize the current process. Besides this basic functionality, daemons offers many advanced features like exception backtracing and logging (in case your ruby script crashes) and monitoring and automatic restarting of your processes if they crash.

Uglifier minifies JavaScript files by wrapping UglifyJS to be accessible in Ruby

This gem aims at being a simple and reliable solution for controlling external programs running in the background on any Ruby / OS combination.