ruby-druid is a Ruby client for Druid. It includes a Squeel-like query DSL and generates a JSON query that can be sent to Druid directly.

sinon.js via asset pipeline

AXElements is a UI automation library built on top of various OS X frameworks. You can use AXElements to write functional tests for Cocoa apps, script UI interactions, or even to build higher level tools such as screen readers.

Small wrapper for testing external process and synchronize suite

A sinatra memcached-manager that allows you to view status, flush/view keys and so on. Also easily pluggable to a Rails app.

Create and manage complex screen sessions easily.

A simple client-server SPA framework.

We should use latest Bundler, but sometimes we are afraid we have to use older Bundler. RestoreBundledWith solves these conflicts.

PropInitializer provides an easy way to define properties for Ruby classes with options for defaults and customization. It simplifies the Literal gem's functionality by removing strict type requirements and adapting the initializer process for flexibility.

Use your SQL database to power instant search for your Rails app with materalized views

bloombroom has two bloom filter implementations, a standard filter for bounded key space and a continuous filter for unbounded keys (stream). also contains fast C/FFI FNV hashing and fast bit field and bit bucket field (multi bits).

Amazon Simple Queue Service as an ActiveJob adapter

A simple CLI tool for interacting with Puppet Server's Certificate Authority

A service that uses a relational database inserts messages/events into an outbox table as part of the local transaction.

Open-source implementation of the Ruby Game Script System.

Ruby 1.8's IO.select() smashes the stack when given >1024 fds, and Ruby doesn't implement IO.poll().

Simplify deployment of your Puppet infrastructure by automatically pulling in modules from the forge and git repositories with a single command.

Dynopoker is a gem that will make your ruby based heroku app self pinging system, preventing single dyno from falling asleep

RSpec-based framework for developing automated tests for SQL Server

SanePatch will prevent gem upgrades from silently breaking your monkey patches.