NUnit 3 Framework
Now continued as OculiX — see oculix.org
Scalable open source load testing tool
Thou Shalt Write Tests in Go
SoapUI is a free and open source cross-platform functional testing
A modern, C++-native, test framework for unit-tests, TDD and BDD
State of the art mutation testing system for the JVM
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
Cucumber for Ruby
Testing for Developers. Toolkit that creates test-cases and data mocks
Go library that makes it easier to write automated tests
Development tools and libraries specialized for Angular
Delightful JavaScript Testing
PerfView is a CPU and memory performance-analysis tool
OS-agnostic, system-level binary package manager
Formatted output of timed sections in Julia
Image loading system
Fast, easy and reliable testing for anything that runs in a browser
Supports tests, providing lightweight, throwaway instances of database
An iOS functional testing framework
Manual for mobile app security testing and reverse engineering
A Coverage-Guided, Native Python Fuzzer
The most advanced tool for HTTP API
Test automation made simple
A JavaScript Testing Framework