Slim is a template language whose goal is to reduce the syntax to the essential parts without becoming cryptic.

JRuby, an implementation of Ruby on the JVM

RSpec tests for your servers configured by CFEngine, Puppet, Chef, Ansible, Itamae or anything else even by hand

Automated code reviews via mutation testing - semantic code coverage.

a modular Ruby webserver interface | personal fork | PLEASE BRANCH/SEND PULL REQUESTS/FILE BUGS AT rack/rack

Turn Ruby AST into semantically equivalent Ruby source

bundler support for jars for jruby

A Vagrant-inspired tool for managing multiple machines in the cloud

Star github repositories automatically when you bundle installing