The best Software Testing tools and resources on the internet.

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

Test your checkout before the holiday rush

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Your checkout already has Playwright or Selenium tests. Those same tests can now be your load test. Run them in up to 1,000 browsers at once while API load runs in the background. You’ll see when the page starts to slow down, well before holiday sales begin. Try BrowserStack Load Testing for free.

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TimeLapze

A open-source menu bar application for creating screen and camera timelapses without excessive file sizes.

OddContrast

A color contrast checker for modern CSS color formats.

Accessibility Testing

Pytest Semantix

pytest plugin for semantic LLM output testing — validate meaning, not just shape

Healenium

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

Automated Checking

WebPerf-Snippets

A curated list of snippets to get Web Performance metrics.

Performance Testing

Microsoft PowerToys

Utilities to customize Windows

Bombardier

Fast cross-platform HTTP benchmarking tool written in Go

Performance Testing

taba11y

Visualise tab order with ease

SQLBolt

Learn SQL with simple, interactive exercises.

Learn Software Testing

Screen Ruler

Measure sizes, distances, margins and paddings of any element on any web page.

Exploratory Testing

Cursor Directory

Find the best cursor rules for your framework and language

Mariana Trench

Mariana Trench is a security focused static analysis platform targeting Android.

Security Testing

Pee.js

A javascript Library for leaking memory

gitleaks

Scan git repos (or files) for secrets using regex and entropy 🔑

Security Testing

OpenClover

Most sophisticated code coverage tool for Java and Groovy.

Practical Testing Docs

A comprehensive online resource that helps software testers and developers test better with quick, effective testing ideas, techniques, and cheat sheets.

Test Case Management

Json Translator

Translate your JSON files or objects into different languages. FREE

Actions Batch

Run a shell script in an isolated, immutable environment, collect the logs or results.

ShellCheck

finds bugs in your shell scripts.

Awesome QA Prompt

A curated repository of highly optimized system prompts and templates for QA engineering tasks.

Can I Use

'Can I use' provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

Chaos Monkey

Performance and Infra testing

Performance Testing

d3

Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Visual Modeling

Polly

Record, Replay, and Stub HTTP Interactions.

Automated Checking

Web Vitals

A Chrome extension that automatically checks Web Vitals scores on the website you're currently viewing.

Performance Testing

Little Rat

Easily network traffic monitoring with view, monitor, and block traffic from other.

Traffic Listener

UFreeTools

over 80–100 fully free, online tools for developers, designers, covering coding, design, graphics, text editing, image, network, cryptography and more..

NPM Studio

Manage your npm packages directly from the VS code editor.

Automated Checking

wrk2

A HTTP benchmarking tool based mostly on wrk

Performance Testing

DeskHop

Fast Desktop Switching.