NUnit is a unit-testing framework for all .Net languages.

Codeless automation tool. Allows anyone and everyone to automate with ease. Not just record and playback!

An executable specification engine designed to allow anyone to build, maintain and understand tests created and executed in plain English. A Chrome plugin to speed-up test creation & an AI-powered system to reduce test maintenance and generate tests.

Robotium is an Android test automation framework that has full support for native and hybrid applications.

Sonic is a platform that integrates remote control debugging and automated testing of mobile devices, and strives to create a better user experience for global developers and test engineers.

A free browser plugin that helps developers, content editors, & SEO professionals quickly scan webpage for broken links, valid links & potential issues.