Automatically eager loads Rails associations as associations are traversed

It makes histograms out of Ruby data. How cool is that!? Pretty cool if you ask me.

Authorization framework for Ruby/Rails application

Promises/A+ for Ruby

Terminal painter with RGB and 256 (fallback) color and terminal effects support. No string extensions! Usage: Paint['string', :red, :bright]

Google Protocol Buffers serialization and RPC implementation for Ruby.

Stream out ZIP files from Ruby

Google Protocol Buffers serialization and RPC implementation for Ruby.

An LL(1) parser generator for Ruby.

A git pre-commit hook written in ruby with a few more tricks up its sleeve

This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program

Ball Aerospace COSMOS provides all the functionality needed to send commands to and receive data from one or more embedded systems referred to as "targets". Out of the box functionality includes: Telemetry Display, Telemetry Graphing, Operational and Test Scripting, Command Sending, Logging, and more.

This gem helps to parse, process and compare semantic versions for Maven, NPM, PHP, RubyGems and python packages.

Run background jobs / tasks of Rails applications deployed in Amazon Elastic Beanstalk environments. Active Elastic Job is an Active Job backend which is easy to setup. No need for customised container commands or other workarounds.

Switching database connection between readonly one and writable one.

Converts ANSI to HTML

Your Rails console, 1984 style

Fine grained concurrency for Ruby

ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cases, like `validates_uniqueness_of` it executes additional SQL query to the database and that is not very efficient. The main goal of the gem is to provide compatibility between database constraints and ActiveRecord validations with better performance and consistency.

Mittsu makes 3D graphics easier by providing an abstraction over OpenGL, and is based heavily off of THREE.js. No more weird pointers and wondering about the difference between a VAO and a VBO (besides the letter). Simply think of something awesome and make it!