The OWASP ZAP core project
Privilege Escalation Awesome Scripts SUITE
Lightweight service virtualization/ API simulation / API mocking tool
The Open Source Test Automation Platform
Gives you one-liners that aids in penetration testing operations
The AWS exploitation framework, designed for testing security
Automatic SQL injection and database takeover tool
Delightful JavaScript Testing
Make security testing of K8s, Docker, and Containerd easier
Santetin is a website stress test and DDOS simulation tool
Complete Mandiant Offensive VM (Commando VM)
A modern load testing tool, using Go and JavaScript
SoapUI is a free and open source cross-platform functional testing
Now continued as OculiX — see oculix.org
Flexible, lightweight multi-language test reporting tool
Security- and exploitation-oriented utilities and proof-of-concepts
Programmer-friendly testing framework for Java and the JVM
Node library to automate Chromium, Firefox & WebKit with a single API
API automation and load testing framework
Testing for Developers. Toolkit that creates test-cases and data mocks
Web Interface for viewing and testing emails during development
Desktop app for inspecting your React JS and React Native projects
A fast, high-level web crawling and web scraping framework
go test with colors
Module for adding visual regression testing to Cypress