The best Software Testing tools and resources on the internet.

Mock API by intercepting requests on the network level. Seamlessly reuse the same mock definition for testing, development, and debugging.

JavaScript Library to extract domains, subdomains and public suffixes from complex URIs.

Generate html reports from cucumber json reports

⚡ Open source UI automation framework built specifically for Salesforce with Autolocators 🧙‍♂️

A tool to optimize the unit testing process.

Encode & decode strings, bytes, and integers to Base62

Visual way to generate tests

A tool to calculate the contrast ratio between any two valid CSS colors.

Jubula Functional Testing Tool for desktop Java applications

98 apps to perform reverse engineering and binary/malware analysis.

A list of useful payloads and bypasses for Web Application Security

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

A collection of awesome penetration testing and offensive cybersecurity resources.

Open Source solution unifying API testing, API Performance testing, API Mocks and UI testing.

Salesforce Automated Accessibility Testing Libraries

🎨 Diagram as Code for prototyping cloud system architectures

An open-source terminal emulator for Mac or Linux.

Run classic Macintosh operating systems (System 7, Mac OS 8, Mac OS 9) inside web browsers.

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

Accessibility Insights for Web helps developers quickly find and fix accessibility issues.

An extension to the standard windows clipboard.

HTTPie for Mac, Windows, and Linux

Network Inspector and Logger for Apple Platforms.

Use any Linux distribution inside your terminal.

HTTP Request & Response Service, written in Python + Flask.

A Linux system resource monitor with support for Mac in development.

Chche Management

Next-Generation UI Testing Library

Easily spot missing ARIA labels, misused ARIA roles, and incomplete keyboard support in your web applications.

Convert JSON into gorgeous, typesafe code in any language.