The best Software Testing tools and resources on the internet.

Over 500+ awesome tools and resources on the internet to supercharge your testing.

Turn the Web Into A Data Pipeline. Generate Your API, in Minutes.

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If your team is still patching selectors and rotating proxies, you’re maintaining infrastructure your competitors stopped owning. Scraper Studio - from Bright Data turns any public website into a hosted data API from a single prompt: No sales call. No demo. Just spin up a scraper and watch it run.

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Uncompressed JavaScript bytes per character

Fetch and process the JSON data from a WebPageTest result.

Performance Testing

Web Developer

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

Ctool

Commonly used software development and testing tools

ColorContrast.App

Check and suggests colors to meet the required WCAG or APCA contrast ratio.

Accessibility Testing

DopplerTask

A revolutionary open source software that allows you to easily automate tasks.

Artillery Engine Playwright

🌐 Load test with real browsers! Powered by Artillery + Playwright

Performance Testing

Poku

A cross-platform test runner that brings the JavaScript essence back to testing.

Automated Checking

Applitools Eyes

Visual comparisons between different snapshots of a website or mobile app.

Automated Checking

Eclipse Jifa

open source software for better troubleshooting common problems that occurred in Java applications.

Performance Testing

MySQL Transactional tests

Reliable, clean database tests without worrying about cleanup

Automated Checking

QASkills

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

Insomnium

Privacy-focused and 100% local API testing tool.

OpenAPI DevTools

Chrome extension that generates API specs for any app or website

Playwright Magic Steps

Auto-transform JavaScript comments into Playwright steps

Automated Checking

APCA Contrast Calculator

Accessible Perceptual Contrast Algorithm

Accessibility Testing

XPathy

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

Automated Checking

PasteSafely

A Pastebin alternative

Snagit

$59.2 USD for 1 license

Screen Capture with editing tools

ScreenToGif

Screen Capture - gif or video format, with editing tools

Nuclei Templates

Community curated list of templates for the nuclei engine to find security vulnerabilities in applications.

Security Testing

Web Font Analyzer

Get performance and usage implications of custom fonts.

Exploratory Testing

Writerside

IDE for writing documentation.

AutoHotkey

The ultimate automation scripting language for Windows.

Automated Checking

MailDev

SMTP server & web interface for viewing and testing emails during development.

The WebAIM Million

An annual accessibility analysis of the top 1,000,000 home pages

Accessibility Testing

Portman

Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman

AgentProbe

Playwright for AI Agents. Test what your agent DOES, not what it SAYS. YAML-first behavioral testing. Catch PII leaks, tool abuse, step explosions. 3200+ tests.

vitest-profiler

A Vite plugin that surfaces performance bottlenecks within your test suite

Automated Checking

Docker Windows

Windows inside a Docker container.

TestCafe

No WebDriver required. No manual timeouts needed. Cross-browser testing out-of-the-box.

Automated Checking