The OWASP ZAP core project
Now continued as OculiX — see oculix.org
Gateway service providing dynamic routing, monitoring and more
SoapUI is a free and open source cross-platform functional testing
Python version of the Playwright testing and automation library
Concurrent browser tests for your Elixir web apps
Beyond the basics of Node.js testing
HTTP checks & tests (private & public) monitoring
Fast, easy and reliable testing for anything that runs in a browser
Headless Chromium-based web performance metrics collector
qooxdoo - Universal JavaScript Framework
Desktop app that helps you craft Gatling load-testing simulations
State of the art mutation testing system for the JVM
Supports tests, providing lightweight, throwaway instances of database
Lightweight service virtualization/ API simulation / API mocking tool
Malicious traffic detection system
.NET version of the Playwright testing and automation library
The Open Source Test Automation Platform
A web application for testing webservices
Java GUI-Less browser, supporting JavaScript, to run against web pages
The Interactive Exernal Accessor Tool for develop, test and support.
Enterprise integration testing framework
Test Automation framework intended for coarse-grained testing