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