The best Software Testing tools and resources on the internet.

An extension that allows for Bionic Reading on any webpage!

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

Extends Selenium's Python bindings to give you the ability to inspect requests made by the browser.

A beautiful JSON explorer packed with features

An agentic QA tool for use in end to end QA processes, built as a multi-agent AI system that autonomously plans, writes, executes, and reports tests for REST APIs, web UIs, and Python codebases.

IDE

The missing Chrome Devtools Element Selector

Test automation for everyone - test automation platform with support for web (selenium), desktop, database, api and much more. Coding not required ;-)

LINQPad is a software utility targeted at .NET Framework development.

A Claude Skill to give your agent the ability to use a web browser

Playwright Python test framework with an AI agent that generates tests from Jira/Excel tickets using RAG + GPT-4o.

Test multiple browsers and devices at once

Mock API calls seamlessly

An automation execution kernel and gesture mapping engine for Android OS testing.

C# automation framework using Playwright + NUnit for login testing. Built entirely with GitHub Copilot prompts. Includes Page Object Model, CI/CD with GitHub Actions, and Allure reporting.

open source On-device debugger for Android applications

A javascript Library for leaking memory

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

Turn any web page into a clean set of resilient, ready-to-use test locators.

Check compliance with WCAG 2.0 minimum contrast

An Android analytics library created using Kotlin.

Make your website smaller and faster by minifying the JS & CSS code!

Great tool for checking color contrast for both text and images of text.

UI automation library for .Net

A color contrast checker for modern CSS color formats.

Automatically detect accessibility issues in web pages using AI

Open Source solution unifying API testing, API Performance testing, API Mocks and UI testing.

A dynamic, contamination-free benchmarking platform for evaluating Large Language Models (LLMs) on hard reasoning, math, and coding tasks.

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

Java Scratchpad - Instantly write java snippets and see nicely formatted results.