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