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

Provides some automation to attempt to convert your Ruby Test::Unit tests into RSpec.

A ruby hacker's search tool. Quickly interrogate your code, seek out classes, methods, variable assignments, and more.

Provides a series of s-expression transformations useful for automatic refactoring or morphing of Ruby/Rails/Sinatra code.

tests strings of Ruby code for unauthorized patterns (exit, eval, ...)

Simple multi-agent framework. It uses AMQP for it's messaging layer.

Rails static code analyzer for security issues

Clean up your controller, slim up your models, handle more use cases

A tool for automatic extraction and verification of Rails formal models. Just include it in your Gemfile, write a few invariants, setup Spass and `rake verify`!

Compliance and Architectural Visualization in Ruby systems

Converts existing AR finder syntax to AREL

Atreides is an engine providing a evented CMS following a KISS principle

Doppelganger helps you to find areas of your code that are good places to refactor. It does this by finding methods and blocks that are duplicates or have less then a set threshold level of difference or be less then a specified percent different. This library can either be used with in another larger code metric/heuristic library, or called from the command line.

SCM history mining and code analysis platform

Expose source files and full source code for each class via a simple API

Automatically generate stubby tests from your implementation.

Create Class and Module graphs for Ruby projects

Scan code to map methods or classes or modules and build tree of modules namespaces

Display the web of method calls in an app

cute_print writes debug output to stderr. Optionally prints the source filename and line number, or the source of the debug statement. Easily inspect the middle of a call chain.