SikuliX version 2.0.0+ (2019+)
Marathon supports testing of Java/Swing and Java/Fx applications.
Modbus slave simulator
Open source Scrum tool and an ALM solution
Testing Framework for C and C++
Test & requirements management
A free Fortran 2008, 2018 coarrays course with notes and exercises
Fuzz testing for go
Mock service for SOAP/REST webservices to support automated tests.
A lightweight programming environment for Java
Extremly naughty chaos monkey for Node.js
Python XML-RPC client for TestLink
A software gps simulator
Dynamic Python binding for Qt Applications
Unit testing framework for Fortran with MPI extensions
C++ unit testing framework
A fluent language to write perftences
Multiplatform data-driven test automation execution services