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

Sirop: Ruby code rewriter

Erase all traces of sorbet-runtime code.

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.

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 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.

Autogenerate documentation for Ruby code with YARD syntax.