Rails static code analyzer for security issues

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

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

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 heavily-used APIs.

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 GitHub actions. It piggyback on top of popular tools in the Ruby ecosystem that maintainers are used to such as Rake Compiler and ruby/setup-ruby.

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.

Community

Check project's files for nonexistent constants

Degem finds unused gems in the Ruby bundle (ie, an app with a `Gemfile` or a gem with both a `Gemfile` and a gemspec).

An experimental gem that helps you rewrite deprecated code automatically.

Tool to visualize Ruby class dependencies

Code supporting deployments.

Discodactyl is an experimental toolkit for XRD service discovery documents and related protocols. It includes implementations of XRD URITemplate Link-Patterns, basic site-meta support, HTTP Link header parsing, acct: URIs and a webfinger poking stick.

Syntac Highlighter for Ruby

docrb-parser is responsible for parsing Ruby sources into a structured format for usage by docrb and docrb-html.

A tool to generate LSIF and SCIP index files for Ruby codebases

Immosquare-cleaner streamlines Rails applications by running tools like RuboCop, ERBLint, Stylelint and more. It ensures code quality, readability, and consistency across the application.

Import specific constants from a file, into the global namespace or into another constant.

JSON Driven, Stateless Rules Engine for JIT and efficient evaluation of complex rules and computation graphs.

A layer of abstraction on top of Ripper for handling Abstract Syntax Trees in Ruby.