Machinery is a systems management toolkit for Linux. It supports configuration discovery, system validation, and service migration. It's based on the idea of a universal system description.

Manage CloudFormation stacks

Test your XML with Test::Unit, MiniTest, RSpec, or Cucumber using handy assertions like #assert_xml_equal or #assert_xml_structure_contain.

Fastlane plugin for release automation

Miam is a tool to manage IAM. It defines the state of IAM using DSL, and updates IAM according to DSL.

TrustyCms is a simple and powerful publishing system designed for small teams. It is built with Rails and is similar to Textpattern or MovableType, but is a general purpose content management system--not merely a blogging engine.

Record the operation of a Ruby program, using the AppLand 'AppMap' format.

The new de-facto for API testing your Rails application

rails-diff helps you compare files generated by Rails (like Dockerfile, .gitignore, etc) with the ones in your repository, making it easier to keep track of changes and updates.

For automatic blue green deployment flow on CloudFormation.

A utility to backup and restore Datadog accounts

A Ruby-aware git layer

https://github.com/0dayinc/pwn/README.md

Atmos provides a terraform scaffold for creating cloud system architectures

A tool for end-to-end testing of Asciidoctor backends based on comparing of textual output.

Barkdog is a tool to manage Datadog monitors.

A tool (including rake tasks) for working with cloudformation stacks

A diff based testing framework for static sites.

Ruby DSL library that provides a wrapper around the CloudFormation.

A tool for automated testing and debugging of automation scripts (e.g., Chef).