Ruby Detective is a gem that parses your code, finds it's dependencies and outputs a interactive .html file that you can use to explore the dependency network of the code.

Find your way around source code written in Ruby

A Ruby CLI to transform source code by converting them to ASTs using the parser gem.

Adds Ruby support into Gauge tests

Automatically annotate your code with Sorbet type definitions.

Mutation testing for ruby

Omochi is a CLI tool to support Ruby on Rails development with RSpec.

Elixir-style pattern matching for ruby methods

rubocop/magic_numbers implements a rubocop cop for detecting the use of bare numbers when linting

Parser extension to support edge and experimental Ruby syntax

Rails static code analyzer for security issues

convert ruby code to better syntax automatically.

Verify that your YARD @param and @return types are correct

zombie_scout finds methods in classes in your ruby project, and then searches for calls to them, and tells you which ones are never called.

A nice API for interacting with parsed Ruby source code.

Auto corrector for N+1 queries detected at runtime with Bullet.

A Ruby parser written in C

Compute Cyclomatic Complexity of Ruby programs

Code analysis for documentation generation.

Extact i18n from Ruby files using Ruby parser and slim files using regex interactively