The best Software Testing tools and resources on the internet.

An CLI assistant that responds by generating and auto-executing a Python script.

A flexible, feature-rich testing framework and assertion library for Kotlin.

A tool for generating customizable streaming data with support for various distributions and anomalies.

Temporary and reusable inbox at your fingertip

Jest matcher for image comparisons. Most commonly used for visual regression testing.

🕵️‍♂️ All-in-one OSINT tool for analysing any website

A BDD / TDD assertion assertion library

View git log, file history, compare branches or commits

In-memory Postgres for unit/E2E tests

Real-time Python regular expression editor

The purpose of the project is to collect and share malware samples.

Auto-transform JavaScript comments into Playwright steps

A Unified Browser Automation Tool for Test Automation.

A collection of real-world serverless architecture failures, massive cloud bills, and architectural anti-patterns.

Browser Plug In

Install curated QA testing skills into Claude Code, Cursor, Copilot, and 30+ AI agents. One command, instant expertise.

Library that provides an API to replay and stringify recordings created using Chrome DevTools Recorder

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

This tool runs a Lighthouse performance test at a range of different network speeds.

Visual comparisons between different snapshots of a website or mobile app.

Easily turn API Responses into Plain Old Java Objects (POJOs)

An online tool to test responsive layouts that lets you view multiple device sizes simultaneously, just enter a URL to test.

A chrome extension to make bug reporting in the browser more collaborative and reproducible

An online Python compiler, IDE, and interpreter directly in the browser.

Geany is a powerful, stable and lightweight programmer's text editor that provides tons of useful features without bogging down your workflow.

Translate your JSON files or objects into different languages. FREE

Property-based testing for Scala

Check how well your Web Application Firewall (WAF) protects your product against common web attacks.

A zero-dependency email sending module for Node.js applications.

A note-taking chrome extension: taking notes on the web with their context.