SoapUI is a free and open source cross-platform functional testing
Most popular Mocking framework for unit tests written in Java
Cucumber for Ruby
Test automation made simple
State of the art mutation testing system for the JVM
Coverage-guided, in-process fuzzing for the JVM
The Open Source Test Automation Platform
Testing Kotlin and Java annotation processors, compiler plugins
Optimizer for mobile applications
Database Subsetter and Relational Data Browser
JSCover - JavaScript code coverage
Selenium HTML reporter for TestNG
Simple example of draw and rotate 3D box
A web application for testing webservices
A C++ library for AVR and NodeMCU
A tool that inserts code into Java class files for logging
C++ Mock object auto generator
High performance tabular data exporter
Editor for Fixed Width, Csv and Existing Xml files.
A next-generation code testing stack for JavaScript
Logging utility for DB2 for LUW written in SQL-PL
SikuliX version 2.0.0+ (2019+)
Static Application Security Testing (SAST) engine