The best Software Testing tools and resources on the internet.

Accessibility engine for automated Web UI testing

Capture and analyze memory performance in web applications

Sniffing out credentials.

Browser driver API

Free, simple to use online Gherkin editor

Visualize your JSON into interactive graphs.

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

A fluent Java API for dynamically building XPath locators for Selenium WebDriver.

An extension that allows for Bionic Reading on any webpage!

A set of free tools that includes a responsive design tester, detect fonts, Chat with any PDF and more.

A QA automation framework with a built-in AI assistant that writes scalable Playwright tests with you as your product grows.

Dashboard/Report analyzer for load testing with JMeter

A Chrome extension that automatically checks Web Vitals scores on the website you're currently viewing.

By Telerik

Modify HTTP request headers, response headers, and redirect URLs

Local-first API testing tool to inspect, test and mock APIs

Windows GUI Automation with Python (based on text properties)

A CLI diff tool that compares files based on their syntax, not line-by-line. Difftastic produces accurate diffs that are easier for humans to read.

Automatically heals Playwright tests when selectors change, minimizing test maintenance and flaky-test rates.

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

An open source approach to locally record and enable searching everything you view on your Mac.

High-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

A curated repository of highly optimized system prompts and templates for QA engineering tasks.

An email and SMTP testing tool with API for developers and automated integration testing.

Inspect, debug, modify, and manipulate the state of Ethereum.

Aggregated set of useful tools that every developer and tester may need once in a while.

Security auditing and hardening tool, for UNIX-based systems.

A better API testing tool

Web Debugging Proxy

A command line search tool.