The OWASP ZAP core project
Load testing tool for analyzing and measuring performance of services
The Open Source Test Automation Platform
Easy to set up bug tracking with Java
A web application for testing webservices
A C++ library for AVR and NodeMCU
Java-based test automation framework (Maven + TestNG)
SikuliX version 2.0.0+ (2019+)
Marathon supports testing of Java/Swing and Java/Fx applications.
Axway Automation Testing System (ATS) - Ready to use examples
Sahi is a web automation testing tool focused on testers
Drives your automation lifecircle gathering information, test & deploy
Squash TM is an open source tool for test repositories management.
A graphical, cross-browser, easy and Selenium-based testing tool
Enterprise level performance test platform on The Grinder
Madcow 2.0 - Advanced Test Automation
A Portable Thin Client & Server Pair for XA / 2PC Testing