Stars
Classy web-development dressed in a DSL (official / canonical repo)
Effing package management! Build packages for multiple platforms (deb, rpm, etc) with great ease and sanity.
An opinionated framework for creating REST-like APIs in Ruby.
Server automation framework and application
Radiant is a no-fluff, open source content management system designed for small teams.
Every Rails page has footnotes that gives information about your application and links back to your editor
Code quality threshold checking as part of your build
Sprinkle is a software provisioning tool you can use to build remote servers with. eg. to install a Rails, or Sinatra stack on a brand new slice directly after its been created
Ruby client for NATS, the cloud native messaging system.
Check that your Puppet manifests conform to the style guide
Bolt is an open source orchestration tool that automates the manual work it takes to maintain your infrastructure on an as-needed basis or as part of a greater orchestration workflow. It can be ins…
RR (Double Ruby) is a test double framework that features a rich selection of double techniques and a terse syntax.
Git based distributed ticketing system, including a command line client and web viewer
Metrics for ruby - a Ruby implementation of metrics inspired by @coda's JVM metrics for those of us in Ruby land
Erlectricity exposes Ruby to Erlang and vice versa.
Systems testing plugin for Nagios with Cucumber + Webrat + Mechanize + Net::SSH
If you're using Sinatra, you should use sinatra-flash instead.
A Sinatra rack middleware that presents memcached server stats
Ruby library & command line tool for accessing the backend of the Mac GTD app Things.