The best Software Testing tools and resources on the internet.

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

Pitest

Pitest

Free

State of the art mutation testing system, providing gold standard test coverage for Java and the jvm.

Automated Checking
AutoIt

AutoIt

Free

Automate the Windows GUI and general scripting

Desktop Automation
Dummy

Dummy

Free

Run mock server based off an API contract with one command

API Testing
S

SQLite Schema Diagram Generator

Free

Visualize yout DataBase in SQL Schema graph.

DevTools
Stryker Mutator

Stryker Mutator

Free

Test your tests with mutation testing.

Automated Checking
A

AgentProbe

Open Source

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.

DevTools
Cursor Directory

Cursor Directory

Free

Find the best cursor rules for your framework and language

AI Testing
M

MutPy

Free

A mutation testing tool for Python 3.3+ source code

Automated Checking
Siteimprove Accessibility Checker

Siteimprove Accessibility Checker

Free

Jumpstart Your Web Accessibility Efforts Directly in Google Chrome

Accessibility Testing
Contrast Checker

Contrast Checker

Free

Checks contrast for WCAG compliance

Accessibility Testing
Metasploit

Metasploit

Free

The world’s most used penetration testing framework

Security Testing
PyWinAuto

PyWinAuto

Free

Windows GUI Automation with Python (based on text properties)

Desktop Automation
Endtest

Endtest

Paid

Intelligent Test Automation

Automated Checking
checka11y.css

checka11y.css

Free

A CSS stylesheet to quickly highlight a11y concerns.

Accessibility Testing
A

A Test Automation Project

Free

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

Automated Checking
Advanced REST Client

Advanced REST Client

Free

A better API testing tool

API Testing
FocusBloom

FocusBloom

Free

Enhance your productivity and time management skills through focused work intervals and short breaks.

Task Management
CodeSandbox Black

CodeSandbox Black

Free

CodeSandbox Black theme for VSCode.

DevTools
S

Selenium Kubernetes

Free

Pre-configured YAML files to effortlessly deploy a Selenium Grid on your Kubernetes.

DevOps
Firecamp

Firecamp

Free Plan

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

API Testing
Docker Windows

Docker Windows

Free

Windows inside a Docker container.

DevTools
GraphQL Network Inspector

GraphQL Network Inspector

Free

A better network inspector for viewing and debugging GraphQL requests in Chrome and Firefox.

API Testing
Cypress GraphQL Mock Network

Cypress GraphQL Mock Network

Free

Simple network mocking for your GraphQL API.

Automated Checking
SelectorsHub

SelectorsHub

Free

A FREE xPath plugin to auto generate, write and verify xpath & cssSelector.

Automated Checking
JSON Viewer

JSON Viewer

Free

An online JSON viewer that lets you minify, beautify, and load JSON from a file.

DevTools
Writerside

Writerside

Free

IDE for writing documentation.

IDE
Beeftext

Beeftext

Free

An open source text substitution tool for Windows.

DevTools
b

borp

Free

node:test runner wrapper with TypeScript support

Automated Checking
Conftest

Conftest

Free

A utility to help you write tests against structured configuration data

DevOps
Json Pub

Json Pub

Free

Generate a visualization of your JSON, XML, CSV, YAML, SVG, .INI, serialized, hex, base64, or binary data local only, and share data via a URL

Data