Kloutbg - Fork of Jason Torres and updated to recent Klout API. No testing. Now using httparty like Eddy Parris.

Cucumber Plugin for testing Puppet manifests using Vagrant

Great for integration testing.

lavanda ruby testing utilities for multimachines

Lbspec is an RSpec plugin for easy Loadbalancer testing.

DSL for testing LC-3 assembly programs

Lawn Test Framework for Natural Unit Testing

Integration Testing for Chef

A lightweight testing framework.

A testing helper for llt

LoadaBoy is a load testing gem.

Uses Flog to test code complexity during testing

Mock socket library for testing network applications

An ORM agnostic way to generate models for testing

Mortadella makes it easy to programmatically build data tables for Cucumber testing. Supports both horizontal (row-based) and vertical (key-value) table formats with powerful features like column filtering and field deduplication.

A set of rake tasks for pretty testing of rails apps.

An Uber-fast primality testing library.

Testing the api

A tiny and experimental mutation testing framework for exploring research ideas.

RubyGem for stress testing servers.