The best Software Testing tools and resources on the internet.

new way for users to run elevated commands directly from an unelevated console session.

Execute role based security tests on APIs

A curated list of Chaos Engineering resources.

Auto-transform JavaScript comments into Playwright steps

Rapid Test Automation

An open source load testing tool.

REST & SOAP API Testing

It’s a free and open source interactive HTTPS proxy

Test While Developing (TWD) - in-browser testing for React, Vue, Angular, and Solid.js applications

Virtualize macOS 12 and later on Apple Silicon

Microsoft

Run commands in a GIT repository.

Test sites on multiple devices in one tab. Improve development, UI/UX, & QA with live previews.

🎨 Diagram as Code for prototyping cloud system architectures

Make your website smaller and faster by minifying the JS & CSS code!

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows — particularly Claude Code

Automate CHANGELOG generation

A light-weight screenshot software tool for Windows.

Track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations

Accessibility engine for automated Web UI testing

Open source screen reader

Modify HTTP request headers, response headers, and redirect URLs

A high-performance HTTP benchmarking tool with real-time web UI and terminal displaying

Diagram creation

A sensible GraphQL testing tool to test your GraphQL schema locally and in the cloud.

Your Local API Testing Playground.

Gray box end-to-end testing and automation framework for mobile apps

Web Application Security Scanner Framework

Test how well LLM agents use your MCP tools, compare different models, and track quality over time.

Simple, continuous and fully automated application security testing.