Configurability is a unified, non-intrusive, assume-nothing configuration system for Ruby. It lets you keep the configuration for multiple objects in a single config file, load the file when it’s convenient for you, and distribute the configuration when you’re ready, sending it everywhere it need...

Code analysis for documentation generation.

Auto-generate inline YARD documentation for Ruby by analyzing code AST. Supports RBS and Sorbet type signatures.

Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.

Ivar is a Ruby gem that automatically checks for typos in instance variables.

A tiny pre-processor for ruby that adds runtime type checking to methods.

A minifier of Ruby files.

Runs (Get it? It's fast!) your tests and makes it easier to rerun individual failures.

A prism parser backend

RBS::Trace collects argument types and return value types using TracePoint, and inserts inline RBS type declarations into files.

Sirop: Ruby code rewriter

Rails static code analyzer for security issues

A simple test framework for Ruby code where the test descriptions and expectations are written as comments.

An AST transformation framework.

A command-line tool that automatically converts RSpec's `let` and `let!` declarations to `let_it_be` where it's safe to do so.

Automatically adds includes/preload to fix N+1 queries detected by Bullet

A simple yet powerful tool to analyze method usage in Ruby/Rails codebases. Track which methods are called most frequently, filter by receivers or method names, and export results in table, JSON, or CSV format. Perfect for understanding code patterns, refactoring decisions, and identifying heavil...

Gems with native extensions are the main bottleneck for a user when running `bundle install`. This gem aims to provide the Ruby community an easy to opt-in and quick way to distribute their gems with precompiled binaries. This toolchain works with a native CI based compilation approach using Git...

CodePicture lexes your code and assign a color to each token. Then, it generates a picture with the same size as the code, where each pixel represents a token.

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