SikuliX version 2.0.0+ (2019+)
State of the art mutation testing system for the JVM
Scalable open source load testing tool
Delightful JavaScript Testing
Go library that makes it easier to write automated tests
Python-based continuous integration testing framework
SoapUI is a free and open source cross-platform functional testing
OS-agnostic, system-level binary package manager
Testing for Developers. Toolkit that creates test-cases and data mocks
Test Runner for JavaScript
Formatted output of timed sections in Julia
Development tools and libraries specialized for Angular
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
A JavaScript Testing Framework
Cucumber for Ruby
Supports tests, providing lightweight, throwaway instances of database
Thou Shalt Write Tests in Go
Fast, easy and reliable testing for anything that runs in a browser
PerfView is a CPU and memory performance-analysis tool
Install and run Python applications in isolated environments
Write tests against structured configuration data
A Coverage-Guided, Native Python Fuzzer
Automatically mock your HTTP interactions to simplify testing
The most advanced tool for HTTP API
Super-agent driven library for testing node.js HTTP servers