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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As a QA professional, you shouldn’t have to choose between fast test creation and control over your test assets. With BugBug, you can now record tests visually and export them as human-readable YAML. Keep them in Git, review changes, create backups, edit them outside the platform, and import them back anytime. Your tests stay portable, reviewable, and under your team’s control. With no vendor lock-in.

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SNAKEVIZ

Python Memory Profilling

HTML Size Analyzer

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

Performance Testing

JSONGenerator.io

Generate JSON data structures for mock data.

Dashy

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

Task Management

WhatFont

The easiest way to identify fonts on web pages.

Exploratory Testing

Screen Ruler

Measure sizes, distances, margins and paddings of any element on any web page.

Exploratory Testing

Echoed

Observable Integration Testing using OpenTelemetry on top of Jest/Playwright/Cypress.

Automated Checking

Firecamp

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

Dsq

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

AutoIt

Automate the Windows GUI and general scripting

Desktop Automation

PrivacyTests

open source tests of web browser privacy.

Security Testing

Pytest

Python based testing framework

Automated Checking

Lockbox

A forward proxy for making third party API calls.

sa11y

Salesforce Automated Accessibility Testing Libraries

Accessibility Testing

AI-Powered UI Test Automation Agent

Combining Generative AI, RAG, and computer vision for UI test automation.

Automated Checking

Cypress Example Recipes

Various recipes for testing common scenarios with Cypress

Automated Checking

Safetest

Next-Generation UI Testing Library

Automated Checking

Postman to K6

Converts all the Postman requests, including tests, variables, ... to K6 scripts

Performance Testing

Json Translator

Translate your JSON files or objects into different languages. FREE

Wapiti

Web vulnerability scanner written in Python3

Security Testing

DeepfakeHTTP

Your 100% static dynamic backend.

zxing

Barcode scanning library for Java, Android.

Automated Checking

Hola Unlimited Free VPN

Google Addon

QASkills

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

Autoframe

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

Beeftext

An open source text substitution tool for Windows.

Loop

A macOS app that simplifies window management for you.

NetBeans

IDE

Lighthouse Scoring Calculator

An interactive page that lets you fiddle around with various performance metrics so you can determine which parts will affect your final Lighthouse score.

Performance Testing

DevDb

Auto-load your database and displays the data right inside VS Code