Enterprise integration testing framework
Scalable open source load testing tool
Now continued as OculiX — see oculix.org
NUnit 3 Framework
Thou Shalt Write Tests in Go
The OWASP ZAP core project
SoapUI is a free and open source cross-platform functional testing
A modern, C++-native, test framework for unit-tests, TDD and BDD
Development tools and libraries specialized for Angular
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
Go library that makes it easier to write automated tests
Testing for Developers. Toolkit that creates test-cases and data mocks
Cucumber for Ruby
Delightful JavaScript Testing
OS-agnostic, system-level binary package manager
Formatted output of timed sections in Julia
State of the art mutation testing system for the JVM
PerfView is a CPU and memory performance-analysis tool
Supports tests, providing lightweight, throwaway instances of database
Image loading system
Coverage-guided, in-process fuzzing for the JVM
Dalfox is a powerful open-source XSS scanner and utility
An iOS functional testing framework
Fast, easy and reliable testing for anything that runs in a browser
A JavaScript Testing Framework