Pentaho Data Integration ( ETL ) a.k.a Kettle
State of the art mutation testing system for the JVM
Browser automation framework and ecosystem
Apache Maven Surefire
Testcontainers is a Java library that supports JUnit tests
Programmer-friendly testing framework for Java and the JVM
Android unit testing framework
AI tool that generates tests to improve code coverage quickly
Most popular Mocking framework for unit tests written in Java
A cross-platform G-Code sender for GRBL, Smoothieware, etc.
java port of Underscore.js
TestNG testing framework
Gameboy emulator in Java 8
Test automation made simple
Java language binding for writing Appium Tests
Fluent assertions for Java and Android
For an introductory tutorial on how to use Jenkins
OkBuck is a gradle plugin that lets developers build systems
Build great things at any scale
Flexible, lightweight multi-language test reporting tool
The Esri Geometry API for Java enables developers to write apps
Fast, scalable, multi-language and extensible build system
Source for the TechEmpower Framework Benchmarks project
The Enterprise-ready testing and specification framework
Statistical machine intelligence and learning engine