Testing Kotlin and Java annotation processors, compiler plugins
Go library that makes it easier to write automated tests
SikuliX version 2.0.0+ (2019+)
State of the art mutation testing system for the JVM
Scalable open source load testing tool
Formatted output of timed sections in Julia
OS-agnostic, system-level binary package manager
Python-based continuous integration testing framework
Delightful JavaScript Testing
SoapUI is a free and open source cross-platform functional testing
Supports tests, providing lightweight, throwaway instances of database
Testing for Developers. Toolkit that creates test-cases and data mocks
Bash automated testing system
Write tests against structured configuration data
Install and run Python applications in isolated environments
Coverage-guided, in-process fuzzing for the JVM
Automatically mock your HTTP interactions to simplify testing
Development tools and libraries specialized for Angular
Test Runner for JavaScript
NUnit 3 Framework
Thou Shalt Write Tests in Go
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
The Swift (and Objective-C) testing framework
A modern, C++-native, test framework for unit-tests, TDD and BDD
Cucumber for Ruby