The best Software Testing tools and resources on the internet.

Task Management

Powerful text editor

Operatng System

An easy way to execute a health check against your API endpoint.

GUI Inspector tool for all kinds of apps, powered by Appium

Simple JMeter performance tests API

Learn SQL in a fun and gamified way.

Checkov scans cloud infrastructure configurations to find misconfigurations before they're deployed.

Simplify HTTP Requests and Testing with Plain Text

Free drawing software for Windows, Mac OS X, and Linux

Utilities to customize Windows

Static analysis at ludicrous speed.

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

Free LLM API pricing comparison. Compare GPT-5, Claude, Gemini & DeepSeek costs instantly. Updated daily with official prices from OpenAI, Anthropic & more.

AI-powered natural language end-to-end testing framework.

new way for users to run elevated commands directly from an unelevated console session.

Analyze webpack production bundle

Run SQL queries in your browser.

Jubula Functional Testing Tool for desktop Java applications

Taiko is an open source node.js library for testing modern web applications

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.

Capture DOM elements with full context for AI debugging and analysis

Measure the performance of any Android app 🔦

Scanning tool that audits SEO, performance and other web best practices

DeepEval is a simple-to-use, open-source LLM evaluation framework, for evaluating large-language model systems.

Design, develop, test, and document their APIs effortlessly.

A browser extension that adds various web developer tools to a browser.

A dedicated scratchpad for developers and testers

Test While Developing (TWD) - in-browser testing for React, Vue, Angular, and Solid.js applications

A handy tool to log attributes and Selenide, Selenium, Cypress, Playwright, Squish and TestCafe locators of the clicked element.