The best Software Testing tools and resources on the internet.

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

JSON Viewer

JSON Viewer

Free

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

DevTools
N

Nuclei Templates

Free

Community curated list of templates for the nuclei engine to find security vulnerabilities in applications.

Security Testing
Healenium

Healenium

Free

Healenium improves stability of Selenium-based test cases, handling changes of updated web elements.

Automated Checking
Microsoft PowerToys

Microsoft PowerToys

Free

Utilities to customize Windows

DevTools
SonarLint

SonarLint

Free

Clean Code starts in your IDE

Security Testing
UPDF

UPDF

Free

Supports editing text and images in a PDF across all platforms.

DevTools
A

Axe Html Reporter

Free

Creates easy to read HTML file from axe-core accessibility results object

Accessibility Testing
Pa11y

Pa11y

Free

Range of free and open source tools to help designers and developers make their web pages more accessible.

Accessibility Testing
MailDev

MailDev

Free

SMTP server & web interface for viewing and testing emails during development.

Email Testing
Dummy

Dummy

Free

Run mock server based off an API contract with one command

API Testing
sqlmap

sqlmap

Free

Automatic SQL injection and database takeover tool

Security Testing
DeepfakeHTTP

DeepfakeHTTP

Free

Your 100% static dynamic backend.

Data
Python Regex

Python Regex

Free

Real-time regular expression tester for Python

Data
FreeFileSync

FreeFileSync

Free

Open Source File synchronization

DevTools
r

regex:help!

Free

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

Data
M

Moq

Free

The most popular and friendly mocking framework for .NET

API Testing
The WebAIM Million

The WebAIM Million

Free

An annual accessibility analysis of the top 1,000,000 home pages

Accessibility Testing
Brimstone

Brimstone

Free

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

Automated Checking
Toxiproxy

Toxiproxy

Free

⏰ πŸ”₯ A TCP proxy to simulate network and system conditions for chaos and resiliency testing

Performance Testing
Rawdog

Rawdog

Free

An CLI assistant that responds by generating and auto-executing a Python script.

DevTools
checka11y.css

checka11y.css

Free

A CSS stylesheet to quickly highlight a11y concerns.

Accessibility Testing
J

Javascript Game Engines Comparison

Free

Performance comparison of Javascript rendering/game engines.

Performance Testing
Exploratory Testing Chrome Extension

Exploratory Testing Chrome Extension

Free

A Chrome extension designed for making web exploratory testing easier

Exploratory Testing
Violating GDPR

Violating GDPR

Free

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

Security Testing
Mozilla Observatory

Mozilla Observatory

Free

online tool that you can use to check any website’s header status.

Security Testing
Diagrams

Diagrams

Free

🎨 Diagram as Code for prototyping cloud system architectures

Visual Modeling
jrnl

jrnl

Free

Collect your thoughts and notes without leaving the command line.

Task Management
Hurl

Hurl

Free

Simplify HTTP Requests and Testing with Plain Text

Traffic Listener
X

XSSHunter

Free

Use Docker and Dockery Compose to test and find blind cross-site scripting vulnerabilities.

Security Testing
AltUnity Tester

AltUnity Tester

Free

UI Test Automation for Unity applications

Desktop Automation