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

Featured

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.

Try a free load test!

Pest

Pest is an elegant PHP Testing Framework with a focus on simplicity.

Automated Checking

Vegeta

HTTP load testing tool and library. It's over 9000!

Performance Testing

Nginx Playground

An nginx playground website created by Julia Evans where we can paste the nginx configuration and test it out.

NotedPad++

Powerful text editor

JSON Hero

A beautiful JSON explorer packed with features

Gremlin

Avoid costly downtime. Minimize your risk of system failure by proactively testing for weaknesses before they become outages.

Performance Testing

super-api-playwright-tester

A high-performance E2E testing wrapper that combines fast API contract assertions with the robust browser automation layers of Playwright.

security.txt

Security standard

Security Testing

Web Check

🕵️‍♂️ All-in-one OSINT tool for analysing any website

Security Testing

HandBrake

Convert video from nearly any format to a selection of modern, widely supported codecs.

Nexial

Test automation for everyone - test automation platform with support for web (selenium), desktop, database, api and much more. Coding not required ;-)

Desktop Automation

SuperFile

Pretty fancy and modern terminal file manager.

A Test Automation Project

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

Automated Checking

codespelunker

A command line search tool.

Image Optimization Test

An online tool to enter a URL to see how well the images are optimized and what you can do to improve them.

Performance Testing

HTTPie

HTTPie for Mac, Windows, and Linux

Traffic Listener

TestNG

Java based testing framework

Automated Checking

Endtest

Intelligent Test Automation

Automated Checking

JSONLINT

Validate, format, and lint JSON

SMTP Debug Tool

Test SMTP connection and see the complete SMTP log.

PyWinAuto

Windows GUI Automation with Python (based on text properties)

Desktop Automation

Browser MCP

Browser MCP connects AI applications to your browser so you can automate tasks using AI. Supported by Claude, Cursor, VS Code, Windsurf, and more.

Automated Checking

Serverless Testing Toolkit

A set of components that leverage the AWS CDK to make testing of serverless constructs in the cloud straightforward.

Automated Checking

Select Star SQL

This is an interactive book which aims to be the best place on the internet for learning SQL.

Learn Software Testing

Web Developer Checklist

Chrome and Firefox extension to discover problem areas in websites.

Exploratory Testing

Password Tech

Password generator and password manager for Windows with full Unicode support.

Pluto

open source On-device debugger for Android applications

Automated Checking

Testsigma

Unified, cloud-based test automation platform, powered by AI

Automated Checking

Dashy

An open source, highly customizable, easy to use, privacy-respecting dashboard app.

Task Management

The Unit Testing Diet App

Learn to effectively unit test an MVVM app at scale

Automated Checking