The best Software Testing tools and resources on the internet.

A curated list of snippets to get Web Performance metrics.

over 80–100 fully free, online tools for developers, designers, covering coding, design, graphics, text editing, image, network, cryptography and more..

Perform visual testing with record and play Brimstone pixel-perfect webpage automation tests.

All-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis and security assessment framework.

A tool for securing CI/CD workflows with version pinning.

A collection of Apache JMeter plugins including a Dynamic Load Thread Group and Auto Correlation engine.

Challenge your apps on iOS with monkey testing 📱🐒

Learn software testing by focusing on simple exercises that take at most one hour to complete.

The most popular and friendly mocking framework for .NET

A dedicated scratchpad for developers and testers

Web performance report every week in your inbox.

All the Fake Data for All Your Real Needs

Measure, Inspect and Test

A Playwright test reporter that sends formatted email notifications upon test suite completion using Nodemailer.

A package with expressive and intuitive APIs that make testing your Swift code a breeze.

High-quality diagrams made easy

Automate CHANGELOG generation

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

powerful and intuitive assertion library for Java

Python Memory Profilling

By mirroring traffic to and from your machine, mirrord surrounds your local service with a mirror image of its cloud environment.

Testing and validating REST services the easy way.

Citrus Integration Testing

Fetch and process the JSON data from a WebPageTest result.

ReqBin is an online API testing tool for REST and SOAP APIs.

Capture and analyze memory performance in web applications

Open source graph visualization software

Capture or record any area of your screen and share it with a single press of a key.

A curated list of snippets to get Web Performance metrics to use in the browser console or as snippets on Chrome DevTools

Code Generator for HTTP Requests