SikuliX version 2.0.0+ (2019+)
Programmer-friendly testing framework for Java and the JVM
The OWASP ZAP core project
SoapUI is a free and open source cross-platform functional testing
Flexible, lightweight multi-language test reporting tool
Test automation made simple
Most popular Mocking framework for unit tests written in Java
Gateway service providing dynamic routing, monitoring and more
Lightweight service virtualization/ API simulation / API mocking tool
Property-based testing for Scala
Python version of the Playwright testing and automation library
State of the art mutation testing system for the JVM
.NET version of the Playwright testing and automation library
Powerful, elegant and flexible test framework for Kotlin
Modern concurrency tools including agents, futures, promises, etc.
Desktop app that helps you craft Gatling load-testing simulations
API automation and load testing framework
Cucumber for Ruby
The Open Source Test Automation Platform
Editor for Fixed Width, Csv and Existing Xml files.
Java GUI-Less browser, supporting JavaScript, to run against web pages
Database Subsetter and Relational Data Browser
Automated tests with databases: prep, verify, restore tables
Simple example of draw and rotate 3D box
Enterprise integration testing framework