The best Software Testing tools and resources on the internet.

#BDD

🧪 Run common networking tests against your site.

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

🌐 Load test with real browsers! Powered by Artillery + Playwright

Show multiple screens once, Responsive design tester.

Record, Replay, and Stub HTTP Interactions.

Run SQL queries on CSV files directly in your browser. No data leaves your browser. Fast, private, and easy to use.

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

High-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

In-memory Postgres for unit/E2E tests

Screen reader driver for test automation

A CLI diff tool that compares files based on their syntax, not line-by-line. Difftastic produces accurate diffs that are easier for humans to read.

AI-Powered Testing for Playwright and Selenium

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

A mutation testing tool for Python 3.3+ source code

Empower Your Team to Deliver Email Perfection.

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

By MicroFocus

The easiest way to identify fonts on web pages.

Regex101.com is an interactive regular expression console that lets you debug your expressions in real-time.

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

Salesforce Automated Accessibility Testing Libraries

Get details on any domain, including DNS, WHOIS, certificates, and list of available subdomains.

Advanced code management platform for Python

Lightweight SQLite editor for Windows

Web Debugging Proxy

Apache HTTP server benchmarking tool.

Skip YouTube Video Ads Faster

An email and SMTP testing tool with API for developers and automated integration testing.

A test automation framework for Android devices.