Programmer-friendly testing framework for Java and the JVM
SikuliX version 2.0.0+ (2019+)
The OWASP ZAP core project
Flexible, lightweight multi-language test reporting tool
SoapUI is a free and open source cross-platform functional testing
Testing Kotlin and Java annotation processors, compiler plugins
Test automation made simple
Most popular Mocking framework for unit tests written in Java
Lightweight service virtualization/ API simulation / API mocking tool
State of the art mutation testing system for the JVM
API automation and load testing framework
Coverage-guided, in-process fuzzing for the JVM
Desktop app that helps you craft Gatling load-testing simulations
Python version of the Playwright testing and automation library
Cucumber for Ruby
Gateway service providing dynamic routing, monitoring and more
Powerful, elegant and flexible test framework for Kotlin
The Open Source Test Automation Platform
Property-based testing for Scala
Android unit testing framework
Optimizer for mobile applications
.NET version of the Playwright testing and automation library
Modern concurrency tools including agents, futures, promises, etc.
Java GUI-Less browser, supporting JavaScript, to run against web pages
Database Subsetter and Relational Data Browser