Healenium is an open-source library for automated testing that uses machine learning to improve the reliability of your tests. It can automatically detect and heal test failures caused by changes in the UI, such as element IDs or class names.

Selenium automates browsers. That's it! What you do with that power is entirely up to you.

SelectorsHub is the Next Gen XPath Plugin & Selectors tool. It supports all kinds of XPath, locators, shadow dom, iframe, svg, dynamic elements, multi selectors generation and xpath error handling. It is a Free community product.

Automation Test Reporting. OSS, Language & Framework agnostic

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

Squash is a suite of tools to design, automate, run and industrialize your tests.