The OWASP ZAP core project
Open Source record and playback test automation for the web
A modern, C++-native, test framework for unit-tests, TDD and BDD
A library for setting up Ruby objects as test data
The Pentester’s Companion
Headless Chrome Node.js API
A Node.js tool to automate end-to-end web testing
Visual diffing in CI for user interfaces
Fortio load testing library, command line tool, advanced echo server
Development tools and libraries specialized for Angular
The most advanced tool for HTTP API
PerfView is a CPU and memory performance-analysis tool
OS-agnostic, system-level binary package manager
Programmer-friendly testing framework for Java and the JVM
Node.js test runner that lets you develop with confidence
LCOV
Test Runner for JavaScript
Thou Shalt Write Tests in Go
Automatic SQL injection and database takeover tool
Fast, easy and reliable testing for anything that runs in a browser
Google Testing and Mocking Framework
RSpec for Rails 5+
Automated API Testing and Quality Assurance
Node.js Production Process Manager with a built-in Load Balancer
Quick and Easy server testing/validation