SoapUI is a free and open source cross-platform functional testing
Monitor, analyze and optimize your website speed and performance
Prevents your Mac from going to sleep
SikuliX version 2.0.0+ (2019+)
Go library that makes it easier to write automated tests
Delightful JavaScript Testing
NUnit 3 Framework
State of the art mutation testing system for the JVM
Test Runner for JavaScript
Android in docker solution with noVNC supported and video recording
Formatted output of timed sections in Julia
LazyLoad is a lightweight, flexible script that speeds up your website
Scalable open source load testing tool
Development tools and libraries specialized for Angular
Thou Shalt Write Tests in Go
Visual diffing in CI for user interfaces
Supports tests, providing lightweight, throwaway instances of database
Cucumber for Ruby
Testing for Developers. Toolkit that creates test-cases and data mocks
Install and run Python applications in isolated environments
OS-agnostic, system-level binary package manager
PerfView is a CPU and memory performance-analysis tool
A modern, C++-native, test framework for unit-tests, TDD and BDD
Interactive evaluation for Neovim
Fast, easy and reliable testing for anything that runs in a browser