Enterprise integration testing framework
Google Testing and Mocking Framework
Delightful JavaScript Testing
SikuliX version 2.0.0+ (2019+)
Programmer-friendly testing framework for Java and the JVM
Create test data for Elixir applications
Desktop app for inspecting your React JS and React Native projects
LCOV
Powerful, elegant and flexible test framework for Kotlin
The OWASP ZAP core project
A JavaScript Testing Framework
Desktop app that helps you craft Gatling load-testing simulations
Development tools and libraries specialized for Angular
Flexible, lightweight multi-language test reporting tool
Headless Chromium-based web performance metrics collector
Open source eCommerce platform on Symfony
SoapUI is a free and open source cross-platform functional testing
Test automation made simple
Most popular Mocking framework for unit tests written in Java
Lightweight service virtualization/ API simulation / API mocking tool
API automation and load testing framework
State of the art mutation testing system for the JVM
Run your tests using Jest & Puppeteer
Delightful JavaScript Testing
Python version of the Playwright testing and automation library