The best Software Testing tools and resources on the internet.

JS performance

Get your fake data in seconds

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

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

Calabash is a BDD framework for iOS and Android

Execute any JavaScript on any open browser tab.

A visual regression testing utility for auditing multi-step web funnels and checkout flows.

Next iteration of Vue DevTools

A CLI tool that helps you avoid undefined user behaviour by validating your API specifications.

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

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

Kubernetes-native framework for test definition and execution

Most sophisticated code coverage tool for Java and Groovy.

Advanced code management platform for Python

Get performance and usage implications of custom fonts.

Free, simple to use online Gherkin editor

View git log, file history, compare branches or commits

Client-side only, privacy-friendly PDF editor.

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

AI-Powered Testing for Playwright and Selenium

A visual feedback and testing tool.

Code Generator for HTTP Requests

A property-based testing tool for API schemas like OpenAPI, Swagger, and GraphQL.

UI automation library for .Net

Thunder Client is a lightweight Rest API Client Extension for Visual Studio Code

Run a shell script in an isolated, immutable environment, collect the logs or results.

Collection of 70+ testing and development productivity tools — all in one place!

Simplify creating, managing, and executing automated tests.

Screen reader driver for test automation

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