The best Software Testing tools and resources on the internet.

Mobile application automation framework

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

Cyrilex is a regular expression tester and visualizer

Checkov scans cloud infrastructure configurations to find misconfigurations before they're deployed.

An all-in-one test automation solution

Mock API calls seamlessly

A platform that interactively links resources together using connecting threats, weaknesses, standards, code samples, and test instructions.

A macOS app that simplifies window management for you.

Privacy-focused and 100% local API testing tool.

A user-friendly network monitoring tool, built with Rust, to help you easily keep track of your Internet traffic.

Automatically detect accessibility issues in web pages using AI

In-app debugging tool for React Native development. Monitor network requests, WebSocket events, console logs, and analytics in real-time.

A small and simple library for stubbing and spying on methods and functions in JavaScript tests.

A diagnostic CSS snippet that exposes potential performance issues in your page’s `head` element.

Measure the performance of any Android app 🔦

Challenge your apps on iOS with monkey testing 📱🐒

Differencing and merging tool for Windows

Simplify the formatting, validation, and visualization of JSON data

Execute role based security tests on APIs

Reclaim tens of gigabytes of your storage used for various Xcode caches

online tool that you can use to check any website’s header status.

Powerful friendly WebRTC mock peer & proxy

DenyHosts is a script intended to be run by Linux system administrators to help thwart SSH server attacks (also known as dictionary based attacks and brute force attacks).

Convert video from nearly any format to a selection of modern, widely supported codecs.

Streamlining JSON Schema Validation in Cypress

An offline documentation browser for software developers and testers.

Browser templates for Browser In The Browser (BITB) attack.

A tool to help testers test by supporting the entire process of exploratory testing, from gathering evidence to generating test reports.

open-source request mocking tool that streamlines network debugging and enhances UI test reliability.

Learn about core Principles of chaos engineering.