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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A Test Automation Project

Learn how to build and run their own tests locally and in CI.

Automated Checking

Mockoon

Free with Paid Plan

Create mock APIs in seconds

Japa

API-first testing framework focusing only on testing Node.js (backend) applications

Automated Checking

Brimstone

Perform visual testing with record and play Brimstone pixel-perfect webpage automation tests.

Automated Checking

Cypress Schema Validator

Lightweight Cypress plugin for API schema validation. It leverages both the AJV validator (for plain JSON schemas, Swagger documents, and OpenAPI schemas) and the Zod validator (for Zod schemas).

TestCase Studio

It’s a browser extension that records the user actions performed on a web application in English Sentences.

Automated Checking

Fluent Assertions

A .NET library for Basic Assertions

Automated Checking

Ghostlab

Test multiple browsers and devices at once

Exploratory Testing

Jest- VS Code

This extension supports full jest features in vscode environment to make testing more intuitive and fun.

Automated Checking

OpenIn Terminal

Finder Toolbar app for macOS to open the current directory in Terminal

MySQL Transactional tests

Reliable, clean database tests without worrying about cleanup

Automated Checking

Pester

The test framework for Powershell

Automated Checking

Maestro AI Agent

An AI-driven testing agent for generating and executing mobile UI automation tests with the Maestro ecosystem.

Colour Contrast Analyser (CCA)

Colour Contrast Analyser (CCA)

Accessibility Testing

Axe Core

Accessibility engine for automated Web UI testing

Accessibility Testing

Tumult

A chaos engineering and fault injection proxy for AI agents (Claude Code, GitHub Copilot, Codex, OpenCode) to test resilience under network latency, rate limits, malformed payloads, and tool failures.

QAide

The Test Step Recorder

Test Case Management

Retrofit

Easily turn API Responses into Plain Old Java Objects (POJOs)

Automated Checking

Pest

Pest is an elegant PHP Testing Framework with a focus on simplicity.

Automated Checking

browserable

Open source and self-hostable browser automation library for AI agents

Automated Checking

coTestPilot

AI-Powered Testing for Playwright and Selenium

Learn Software Testing

Charles Proxy

Web Debugging Proxy

Traffic Listener

vitest-profiler

A Vite plugin that surfaces performance bottlenecks within your test suite

Automated Checking

Writerside

IDE for writing documentation.

vcrpy

Automatically mock your HTTP interactions to simplify and speed up testing

grex

Generate a matching regular expression from the test cases you provide

Quick Javascript Switcher

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

Exploratory Testing

JSON Visio

Visualize your JSON into interactive graphs.

beef

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

Security Testing

Test-Lab.ai

Automatically heals Playwright tests when selectors change, minimizing test maintenance and flaky-test rates.