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