The best Software Testing tools and resources on the internet.

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

LINQPad

LINQPad

Free and Paid

LINQPad is a software utility targeted at .NET Framework development.

Other
Galen Framework

Galen Framework

Free

Layout and functional testing framework for websites.

Automated Checking
Git History Diff

Git History Diff

Free

VS Code extension to view Git history, diff of committed files, git blame info, stash details, and more.

DevTools
checka11y.css

checka11y.css

Free

A CSS stylesheet to quickly highlight a11y concerns.

Accessibility Testing
DevCleaner

DevCleaner

Free

Reclaim tens of gigabytes of your storage used for various Xcode caches

DevTools
Dual Monitor Tools

Dual Monitor Tools

Free

Tools for Windows users with dual or multiple monitor setups.

DevTools
Litmus

Litmus

Free

Cloud Native Chaos Engineering platform

Performance Testing
MintEmail

MintEmail

Free

MintEmail.com is a no-click disposable email system

Email Testing
DeepfakeHTTP

DeepfakeHTTP

Free

Your 100% static dynamic backend.

Data
Ad Speedup

Ad Speedup

Free

Skip YouTube Video Ads Faster

DevTools
S

Selenium Wire

Free

Extends Selenium's Python bindings to give you the ability to inspect requests made by the browser.

Automated Checking
pdfux.com

pdfux.com

Free

Powerful and easy to use PDF tools made for you

DevTools
TestCase Studio

TestCase Studio

Free

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

Automated Checking
ScalaCheck

ScalaCheck

Free

Property-based testing for Scala

Automated Checking
Mizu

Mizu

Free

A simple-yet-powerful API traffic viewer for Kubernetes.

DevOps
Omni

Omni

Free

The all-in-one tool to supercharge your productivity ⌨️

DevTools
Playwright Logger

Playwright Logger

Free

A clean and readable Playwright reporter that turns noisy test output into structured, timestamped, developer-friendly logs β€” all right in the terminal.

Automated Checking
Ditto

Ditto

Free

An extension to the standard windows clipboard.

DevTools
TypeSchema

TypeSchema

Free

Universal adapter for interacting with any validation schema.

DevTools
ConEmu

ConEmu

Free

ConEmu starts a console program in a hidden console window, and provides an alternative customizable GUI window with various features

Other
Accessibility Insights for Web

Accessibility Insights for Web

Free

Accessibility Insights for Web helps developers quickly find and fix accessibility issues.

Accessibility Testing
EditThisCookie

EditThisCookie

Free

Browser Plug In

Exploratory Testing
SuperFile

SuperFile

Free

Pretty fancy and modern terminal file manager.

DevTools
Restfox

Restfox

Free

Offline-first web HTTP client

Traffic Listener
Violating GDPR

Violating GDPR

Free

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

Security Testing
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
OpenClover

OpenClover

Free

Most sophisticated code coverage tool for Java and Groovy.

DevTools
Siteimprove Accessibility Checker

Siteimprove Accessibility Checker

Free

Jumpstart Your Web Accessibility Efforts Directly in Google Chrome

Accessibility Testing
xScope

xScope

$50 USD for 1 license

Measure, Inspect and Test

Exploratory Testing
Fail2ban

Fail2ban

Free

It scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc

Security Testing