SikuliX version 2.0.0+ (2019+)
The OWASP ZAP core project
Flexible, lightweight multi-language test reporting tool
Programmer-friendly testing framework for Java and the JVM
SoapUI is a free and open source cross-platform functional testing
Most popular Mocking framework for unit tests written in Java
API automation and load testing framework
Gateway service providing dynamic routing, monitoring and more
Coverage-guided, in-process fuzzing for the JVM
Test automation made simple
State of the art mutation testing system for the JVM
The Open Source Test Automation Platform
Android unit testing framework
Java GUI-Less browser, supporting JavaScript, to run against web pages
Database Subsetter and Relational Data Browser
Easy to set up bug tracking with Java
Automated tests with databases: prep, verify, restore tables
Editor for Fixed Width, Csv and Existing Xml files.
Load testing tool for analyzing and measuring performance of services
A Java Utility Class To Create Combinations of Existing Arrays.
Enterprise integration testing framework
Test Automation framework intended for coarse-grained testing
The Interactive Exernal Accessor Tool for develop, test and support.