The best Software Testing tools and resources on the internet.

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

Test your checkout before the holiday rush

Featured

Your checkout already has Playwright or Selenium tests. Those same tests can now be your load test. Run them in up to 1,000 browsers at once while API load runs in the background. You’ll see when the page starts to slow down, well before holiday sales begin. Try BrowserStack Load Testing for free.

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Loop

A macOS app that simplifies window management for you.

SubiRegex

Using AI to generate RegEx using plain English.

🤖 a11y-ai

Automatically detect accessibility issues in web pages using AI

Accessibility Testing

beef

It is a penetration testing tool that focuses on the web browser.

Security Testing

RegExGPT

Generate regex patterns by inputting an example of the text.

Try

Inspect a command's effects before modifying your live system

React Native BugBubble

In-app debugging tool for React Native development. Monitor network requests, WebSocket events, console logs, and analytics in real-time.

SonarLint

Clean Code starts in your IDE

Security Testing

MemLab

Find JavaScript memory leaks and analyzing heap snapshots.

Thunderbird

Make Email Easier

Accessibility Insights for Web

Accessibility Insights for Web helps developers quickly find and fix accessibility issues.

Accessibility Testing

Vitest

A blazing fast unit-test framework powered by Vite ⚡️

Automated Checking

Extract Table

Extract a table from an image or a PDF, using AWS Textract

Exploratory Testing

Mindomo

Mind Mapping for thinking organization or structuring

Visual Modeling

Url To Json

Display the page's content in JSON format.

Siege

HTTP load tester and benchmarking utility

Performance Testing

Automize

The missing Chrome Devtools Element Selector

JMeter DSL

Simple JMeter performance tests API

Performance Testing

Mailpit

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

Quick Javascript Switcher

A quick way to disable/enable JavaScript in the browser.

Exploratory Testing

Canary

A QA harness built for Claude Code providing end-to-end testing with screen recordings, console logs, network HARs, Playwright traces, and auto-generated replay scripts.

VCR for Python

Automatically mock your HTTP interactions to simplify and speed up testing

Git Guide

Solutions to 80% of your daily git challenges

zxing

Barcode scanning library for Java, Android.

Automated Checking

Contrast Report

Straightforward colour contrast checker with Picture-in-picture (PiP) mode.

Accessibility Testing

ServerlessHorrors

A collection of real-world serverless architecture failures, massive cloud bills, and architectural anti-patterns.

Learn Software Testing

Autoframe

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

Gherkin Guidelines for AI

Use these guidelines for writing good Gherkin scenarios. Feed it as context to AI specs, agents, and skills.

Test Case Management

QA Claude Skill

32 production-grade QA workflow skills for Claude Code — from spec to release.

Swift Testing

A package with expressive and intuitive APIs that make testing your Swift code a breeze.

Automated Checking