State of the art mutation testing system for the JVM
Testing Kotlin and Java annotation processors, compiler plugins
SikuliX version 2.0.0+ (2019+)
Go library that makes it easier to write automated tests
Scalable open source load testing tool
Molecule aids in the development and testing of Ansible roles
Supports tests, providing lightweight, throwaway instances of database
Most popular Mocking framework for unit tests written in Java
Test Runner for JavaScript
Formatted output of timed sections in Julia
Delightful JavaScript Testing
SoapUI is a free and open source cross-platform functional testing
Python-based continuous integration testing framework
Testing for Developers. Toolkit that creates test-cases and data mocks
OS-agnostic, system-level binary package manager
HTTP load testing tool and library. It's over 9000!
Automatically mock your HTTP interactions to simplify testing
Write tests against structured configuration data
Cucumber for Ruby
A TCP proxy to simulate network and system conditions for chaos
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
Thou Shalt Write Tests in Go
Bash automated testing system
A JavaScript Testing Framework
Development tools and libraries specialized for Angular