BrowserCuke is a layer of browser-based testing on top of Cucumber. It provides an intuitive way of writing business-readable tests for your web applications, that use real web browsers to test. Your test scripts can now be a way of communicating with your client how you have tested the applica...

io/tcpsocket mock for testing.

Fake GCM server for your integration testing needs

BScan is a configurable and extendable web application security scanner that can be run from a command line headless (without UI). It's built on top of arguably the most popular commercial security testing tool Burp Suite from PortSwigger and Buby from Eric Monti and Timur Duehr

Any automated testing should save you effort. Use the work you did writing your specs first to produce the skeleton of new projects or even just new features. Makes BDD discipline effortless to maintain.

A Busser runner plugin for testing bash scripts

A Busser runner plugin for testing testinfra

This is an ABingo plugin for the Ruby Camping framework, inspired by Patrick McKenzie's ABingo A/B testing Rails plugin (see http://www.bingocardcreator.com/abingo).

🍲 Kettle::Dev is a meta tool from kettle-rb to streamline development and testing. Acts as a shim dependency, pulling in many other dependencies, to give you OOTB productivity with a RubyGem, or Ruby app project. Configures a complete set of Rake tasks, for all the libraries is brings in, so they...

A rspec compliance table for permission testing

Capistrano::Unison adds support to capistrano for deploying with unison. This lets you synchronize your local working directory with a cache on the remote servers, significantly speeding up deployment times if you are testing a lot of very small changes during deployment.

Testing APIs with Capybara isn't a great idea, but this makes it easier if you want to anyway.

Gem for finding and testing http proxy servers

Gem to help with integration testing of visualforce apps with capybara

Tools for working with Component Based Rails Apps (see http://shageman.github.io/cbra.info/). Includes tools for graphing the components of an app and their relationships, as well as selectively testing components based on changes made.

A testing framework in Ruby for educational purpose

RSpec matchers for your custom validator unit testing

Contracted is a tool aimed at testing JSON API's.

a lightweight, simple and sensible API to file operation and testing

Cova removes a lot of the complexity that comes with designing, coding, testing, prototyping and publishing mobile applications.