Workarounds before ruby-core officially supports Proc#to_source (& friends)

Quality is a tool that runs quality checks on your code using community tools, and makes sure your numbers don't get any worse over time. Just add 'rake quality' as part of your Continuous Integration

Excellent finds the nasty lines in your code. It implements a comprehensive set of checks for possibly buggy parts of your app that would otherwise make it into your repo and eventually to the production server.

A library for safe evaluation of Ruby code based on RubyParser and Ruby2Ruby. Provides Rails ActionView template handlers for ERB and Haml.

Source Code analysis gem for Ruby and Rails

Wish you could write your Ruby in XML? Has the fact that Ruby is not "enterprise" got you down? Do you feel like your Ruby code could be made to be more "scalable"? Well look no further my friend. You've found the enterprise gem. Once you install this gem, you too can mak...

TomDoc is flexible code documentation with human readers in mind. The tomdoc gem is a Ruby library to discover and display TomDoc'd methods and classes. Given a Ruby file with TomDoc'd methods, tomdoc can generate HTML or print to the console. You can use it to query up a single method...

A command-line tool for converting minitest files to rspec.

umlify is a tool that creates class diagrams from your code.

No .yml files. Inline defaults. Optional keys. Inferred interpolation values. Wrappers and blocks, so your templates look template-y and your translations stay HTML-free.

Using Inherited Resources is an excellent way to reduce the amount of repetition in your controllers. But what about views? A lot of times resources share the same views, so why not DRY 'em up using Inherited Resources Views!

ruby_to_c translates a static ruby subset to C. Hopefully it works. NOTE ! NOTE ! NOTE ! NOTE ! NOTE ! NOTE ! NOTE ! NOTE ! NOTE THIS IS BETA SOFTWARE! NOTE ! NOTE ! NOTE ! NOTE ! NOTE ! NOTE ! NOTE ! NOTE ! NOTE RubyToC has the following modules: * Rewriter ...

Example based structural pattern matching for S-Expressions

A tool for automated testing and debugging of automation scripts (e.g., Chef).

An experiment on real time visualize development tool.

Provides a command and API to detect magic numbers in ruby code

Moby makes DCI a DSL for Ruby it's mainly based on the work gone into Marvin, the first language to support injectionless DCI. The performance of code written using Moby is on par with code using regular method invocation. For examples on how to use Moby look at the examples

RipperRubyParser is a parser for Ruby based on Ripper that aims to be a drop-in replacement for RubyParser.

Rails static code analyzer for security issues

This Vagrant plugin allows you to configure a vm environment as a node in a client/server infraestructure. See also vagrant-nodemaster