The best Software Testing tools and resources on the internet.

A .NET library for Basic Assertions

An easy way to execute a health check against your API endpoint.

Lint an npm or Yarn lockfile to analyze and detect security issues via predefined security policies.

Various recipes for testing common scenarios with Cypress

Measure sizes, distances, margins and paddings of any element on any web page.

RedCoffee is a Python Based CLI Tool that generates PDF Reports for analysis done using SonarQube Community Edition

Password generator and password manager for Windows with full Unicode support.

Free drawing software for Windows, Mac OS X, and Linux

An open source approach to locally record and enable searching everything you view on your Mac.

MintEmail.com is a no-click disposable email system

Supports editing text and images in a PDF across all platforms.

A web browser for Windows, Mac, and Linux

Capture DOM elements with full context for AI debugging and analysis

Ultimate Network Service Exploitation Tool

Brings the power of REST Assured to the C# / .NET ecosystem by Simplifying HTTP Testing

Static AST checker for a11y rules on JSX elements.

A set of free tools that includes a responsive design tester, detect fonts, Chat with any PDF and more.

Free LLM API pricing comparison. Compare GPT-5, Claude, Gemini & DeepSeek costs instantly. Updated daily with official prices from OpenAI, Anthropic & more.

Ophiuchi is a lightweight, easy-to-use, and secure localhost SSL proxy that helps you generate SSL certificates for your local development environment in 5 seconds.

IDE for writing documentation.

Simple network mocking for your GraphQL API.

Automated tests for your infrastructure code.

Mariana Trench is a security focused static analysis platform targeting Android.

Make Email Easier

Write better integration tests! Dockertest helps you boot up ephermal docker images for your Go tests with minimal work.

A collection of useful links for Pentesters

Exports and browses your Cursor AI chat history

Operating System

Generate a matching regular expression from the test cases you provide

A utility for integration testing of web pages using WebdriverIO and Mocha.