SikuliX version 2.0.0+ (2019+)
The OWASP ZAP core project
Privilege Escalation Awesome Scripts SUITE
The Pentester’s Companion
Open Source record and playback test automation for the web
Desktop app for inspecting your React JS and React Native projects
OS-agnostic, system-level binary package manager
Node library to automate Chromium, Firefox & WebKit with a single API
Generate HTTP load and plot the results in real-time
SoapUI is a free and open source cross-platform functional testing
Programmer-friendly testing framework for Java and the JVM
A modern load testing tool, using Go and JavaScript
Flexible, lightweight multi-language test reporting tool
Write tests against structured configuration data
Test data editor for Robot Framework
Development tools and libraries specialized for Angular
Google Testing and Mocking Framework
Fortio load testing library, command line tool, advanced echo server
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
Python testing tool for writing better programs
A fast, high-level web crawling and web scraping framework
Node.js Production Process Manager with a built-in Load Balancer
PerfView is a CPU and memory performance-analysis tool
LCOV
HTTP load testing tool and library. It's over 9000!