SoapUI is a free and open source cross-platform functional testing
SikuliX version 2.0.0+ (2019+)
Delightful JavaScript Testing
NUnit 3 Framework
LazyLoad is a lightweight, flexible script that speeds up your website
State of the art mutation testing system for the JVM
Scalable open source load testing tool
Go library that makes it easier to write automated tests
Formatted output of timed sections in Julia
Development tools and libraries specialized for Angular
Test Runner for JavaScript
Testing for Developers. Toolkit that creates test-cases and data mocks
Install and run Python applications in isolated environments
Cucumber for Ruby
PerfView is a CPU and memory performance-analysis tool
Supports tests, providing lightweight, throwaway instances of database
Fast, easy and reliable testing for anything that runs in a browser
OS-agnostic, system-level binary package manager
A modern, C++-native, test framework for unit-tests, TDD and BDD
Thou Shalt Write Tests in Go
A Coverage-Guided, Native Python Fuzzer
Automatically mock your HTTP interactions to simplify testing
The most advanced tool for HTTP API
Visual diffing in CI for user interfaces
Mini website for testing both general CS knowledge and enforce coding