ranked-model is a modern row sorting library built for Rails 4.2+. It uses ARel aggressively and is better optimized than most other libraries.

RSpec matchers for RubyEventStore

Library for parsing SSH certificates

A Ruby program to facilitate accessing Aliyun Object Storage Service

pass binding of method caller implicitly

The complete solution for Ruby command-line executables. Commander bridges the gap between other terminal related libraries you know and love (OptionParser, HighLine), while providing many new features, and an elegant API.

ERB Linter tool.

Mailgun's Official Ruby SDK for interacting with the Mailgun API.

Server-Sent Events via Redis

Show failing specs instantly

XSpear is XSS Scanner on ruby gems

UNIONs in ActiveRecord! Adds proper union and union_all methods to ActiveRecord::Relation.

RSpec driven API testing framework

Rebuild your Jekyll site when a file changes with the `--watch` switch.

An implementation of the JSON Schema specification. Provides automatic parsing for any given JSON Schema.

A pure Ruby library for event-driven IO

Puppet's accceptance testing harness

Benchmark::Trend will help you estimate the computational complexity of Ruby code by running it on inputs increasing in size, measuring their execution times, and then fitting these observations into a model that best predicts how a given Ruby code will scale as a function of growing workload.

Use cucumber to test native iOS apps via Frank

Promises/A+ for Ruby