Capybara is an integration testing tool for rack based web applications. It simulates how a user would interact with a website

Generic extension manager for WebSocket connections

Experimental Ruby client for Chroma

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.

FSEvents API with Signals catching (without RubyCocoa)

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

This package provides the Ruby driver library for the RethinkDB database server.

Ruby bindings for the Apache Thrift RPC system

Library that contains the classes required to create LogStash events

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

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.

Simple, feature rich ascii table generation library

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

This gem add a few rake tasks to create a uber gems that will be shipped as a zip

Manipulate images with minimal use of memory via ImageMagick

Catches exceptions and retries each request a limited number of times.

Parallel tests across CI server nodes based on each test file's time execution. It generates a test time execution report and uses it for future test runs.

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

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

Faraday adapter for EM::Synchrony