The best Software Testing tools and resources on the internet.

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

BugBug

BugBug

Free Plan

Automate web app testing easier than ever. Without excessive costs. Faster than coding. Free forever.

Automated Checking
AChecker

AChecker

Free

An open source web accessibility checker

Accessibility Testing
SNAKEVIZ

SNAKEVIZ

Free

Python Memory Profilling

Memory
M

Marathon

Free

Cross-platform test runner for Android and Apple

Automated Checking
ChaosBlade

ChaosBlade

Free

Help companies solve the high availability problems in the process of migrating to cloud-native systems through chaos engineering️

Performance Testing
r

regex:help!

Free

An online tool to help you easily generate, test, and refine your regular expressions.

Data
m

mcp-appium

Free

An Appium Model Context Protocol (MCP) server that connects LLM agents to mobile UI testing tools.

Mobile Testing
SikuliX

SikuliX

Free

Automation of GUI components with mouse and keyboard actions.

Desktop Automation
Perfect Bug Report

Perfect Bug Report

Free

A simple checklist of the essential items to include in your bug reports.

Exploratory Testing
Rubular

Rubular

Free

a Ruby regular expression editor

Data
Ddosify

Ddosify

Free

Multi location based load testing

Performance Testing
HTML Size Analyzer

HTML Size Analyzer

Free

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

Performance Testing
Colour Contrast Analyser (CCA)

Colour Contrast Analyser (CCA)

Free

Colour Contrast Analyser (CCA)

Accessibility Testing
Chai JS

Chai JS

Free

AΒ BDD / TDD assertion assertion library

Automated Checking
JSON Hero

JSON Hero

Free

A beautiful JSON explorer packed with features

DevTools
Gocure

Gocure

Free

Generate html reports from cucumber json reports

Automated Checking
DamnGood.Tools

DamnGood.Tools

Free

A set of free tools that includes a responsive design tester, detect fonts, Chat with any PDF and more.

DevTools
Arachni

Arachni

Free

Web Application Security Scanner Framework

Security Testing
TypeSchema

TypeSchema

Free

Universal adapter for interacting with any validation schema.

DevTools
P

Playwright Magic Steps

Free

Auto-transform JavaScript comments into Playwright steps

Automated Checking
G

Gherkin Guidelines for AI

Open Source

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

Test Case Management
DevDb

DevDb

Free

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

Data
Jest OpenTelemetry

Jest OpenTelemetry

Free

Write, build and run integration tests based on OpenTelemetry traces with Jest-like syntax.

Automated Checking
S

Schemathesis

Open Source

A property-based testing tool for API schemas like OpenAPI, Swagger, and GraphQL.

API Testing
Form Filler

Form Filler

Free

A customizable Chrome and Firefox extension that fills dummy text in all input fields in a page.

Test Data Generation
c

codespelunker

Free

A command line search tool.

DevTools
Ratchet

Ratchet

Free

A tool for securing CI/CD workflows with version pinning.

DevOps
Violating GDPR

Violating GDPR

Free

Enter a URL and this tool will tell you if the website is violating GDPR laws.

Security Testing
JSONFormatter.net

JSONFormatter.net

Free

JSON formatter and validator tool

DevTools
P

Principles of chaos engineering

Free

Learn about core Principles of chaos engineering.

Learn Software Testing