Leaderboards backed by Redis in 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

Provides CLI tools for working with ruby packs.

Show progress of long running tasks

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

Insert LiveReload into your app easily as Rack middleware

Build Rails apps in a more maintainable way

redis_failover is a ZooKeeper-based automatic master/slave failover solution for Ruby

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

Adding snapshot testing to RSpec

RSpec matcher to control SQL queries made by block of code

Ruby/Rsync is a Ruby library that can syncronize files between remote hosts by wrapping a call to the rsync binary.

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)

SequenceServer lets you rapidly set up a BLAST+ server with an intuitive user interface for use locally or over the web.