The best Software Testing tools and resources on the internet.

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

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Featured

Stuck because an API isn’t ready or keeps breaking? Requestly—now backed by BrowserStack—lets you mock and modify HTTP requests right in your browser. No proxy setup. No SSL hassle. Just faster testing, fewer blockers, and more control. Built for QAs who hate waiting. Get started for free!

Colour Contrast Checker

Check the contrast between different colour combinations against WCAG standards.

Accessibility Testing

Device Simulator & Tester

Test sites on multiple devices in one tab. Improve development, UI/UX, & QA with live previews.

Exploratory Testing

JsonMocker

Simplify API Testing with Mock Data

Test Data Generation

RegxGo

An easy-to-use, AI-powered regular expressions generator.

Dashy

An open source, highly customizable, easy to use, privacy-respecting dashboard app.

Task Management

SQLBolt

Learn SQL with simple, interactive exercises.

Learn Software Testing

Uncompressed JavaScript bytes per character

Fetch and process the JSON data from a WebPageTest result.

Performance Testing

Jira Capture

A visual feedback and testing tool.

Test Case Management

Playwright MCP

AI assisted Browser automation using Playwright that enables LLMs to interact with pages through structured accessibility snapshots, bypassing the need for screenshots.

Automated Checking

Nmap Security Scanner

Security Testing

Security Testing

Mochawesome

A Gorgeous HTML/CSS Reporter for Mocha.js

Automated Checking

GradeJS

Analyze webpack production bundle

Security Testing

SoapUI

REST & SOAP API Testing

Automated Checking

Calabash

Calabash is a BDD framework for iOS and Android

Automated Checking

Testsigma

Unified, cloud-based test automation platform, powered by AI

Automated Checking

HTML Size Analyzer

Analyze HTML size and catch bloat like inline images, large React hydration state, or code duplication.

Performance Testing

API Tester

Mobile app for iOS and Android for testing and using APIs.

AChecker

An open source web accessibility checker

Accessibility Testing

Airtest

Cross-Platform UI Automation Framework for Games and Apps

Desktop Automation

Text Cleaner

Simple Text cleaner and formatter tool to perform complex operations.

Trace Cafe

Easy web performance trace sharing

Performance Testing

Bizagi Modeler

Diagram creation for modeling systems

Visual Modeling

Bruno

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

Headless Recorder

Chrome extension that records your browser interactions and generates a Playwright or Puppeteer script.

Automated Checking

Nexial

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

Desktop Automation

Mock Service Worker

Mock API by intercepting requests on the network level. Seamlessly reuse the same mock definition for testing, development, and debugging.

taba11y

Visualise tab order with ease

Greenshot

A light-weight screenshot software tool for Windows.

Dsq

Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.

Zeal

An offline documentation browser for software developers and testers.