RuboCop is a Ruby code style checking and code formatting tool. It aims to enforce the community-driven Ruby Style Guide.

Run Test::Unit / RSpec / Cucumber / Spinach in parallel

Dependabot-Bundler provides support for bumping Ruby (bundler) gems via Dependabot. If you want support for multiple package managers, you probably want the meta-gem dependabot-omnibus.

A simple REST client for the Docker Remote API

InSpec provides a framework for creating end-to-end infrastructure tests. You can use it for integration or even compliance testing. Create fully portable test profiles and use them in your workflow to ensure stability and security. Integrate InSpec in your change lifecycle for local testing, CI/...

Wraith is a screenshot comparison tool, created by developers at BBC News.

Apartment allows Rack applications to deal with database multitenancy through ActiveRecord

Sync Postgres data between databases

Configurable tool for writing clean and consistent HAML

Easily and efficiently make your ActiveRecord model support hierarchies

Nanoc is a static-site generator focused on flexibility. It transforms content from a format such as Markdown or AsciiDoc into another format, usually HTML, and lays out pages consistently to retain the site’s look and feel throughout. Static sites built with Nanoc can be deployed to any web server.

Sets package level boundaries between a specified set of ruby constants to minimize cross-boundary referencing and dependency.

A Ruby Interface file generator for gems, core types and the Ruby standard library

Documentation generator for Sencha JS frameworks

Solvas fork of JSDuck

A collection of test-related tools.

RSpec tests for your AWS resources.

Fails your build if code quality thresholds are not met

Licensed automates extracting and validating the licenses of dependencies.

Handles bootstrapping, running chef solo, rsyncing cookbooks etc