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