Rack compatible HTTP router for Ruby

Methadone provides a lot of small but useful features for developing a command-line app, including an opinionated bootstrapping process, some helpful cucumber steps, and some classes to bridge logging and output into a simple, unified, interface

A gem that calculates the exchange rate using published rates from open-exchange-rates. Compatible with the money gem.

Packj flags malicious and other "risky" RubyGems packages in your software supply chain.

A collection of extensions for packwerk packages.

Simplify the deployment of your applications by automatically packaging your application and its dependencies on multiple platforms.

Client for consuming WebSockets from http://pusher.com

Qiniu Resource (Cloud) Storage SDK for Ruby. See: http://developer.qiniu.com/docs/v6/sdk/ruby-sdk.html

Build Rails apps in a more maintainable way

A Redis backend store for Rack::Cache

Implements a distributed semaphore or mutex using Redis.

Rein adds bunch of methods to your ActiveRecord migrations so you can easily tame your database.

Helps to make POST 'redirect', but actually builds [form] with method: :post under the hood

ruote is an open source Ruby workflow engine

RVM / Capistrano Integration Gem

This plugin provides native network instrumentation for monitoring and metrics collection, including: hardware, TCP response, RBLs, whois, port status, and more

Implemention of Payments Initiation (ISO 20022)

Integrate Sequel with Rails (3.x and 4.x)

Sextant is a Rails engine that quickly shows the routes available

Sift Ruby API. Please see http://sift.com for more details.