The best Software Testing tools and resources on the internet.

one-stop resource with tons of little utilities for formatting, editing, generating, minifying, and so on.

Client-side only, privacy-friendly PDF editor.

Powerful friendly WebRTC mock peer & proxy

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

Curated lists of tools, tips and resources for protecting digital security and privacy

The most powerful screen recorder & annotation tool for Chrome 🎥

A better API testing tool

A Chrome extension designed for making web exploratory testing easier

Appium plugin designed to wait for element to be present.

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

Multiplatform app for your all-in-one password management.

An online tool to test responsive layouts that lets you view multiple device sizes simultaneously, just enter a URL to test.

Elevate Your Maestro YAML Development in Visual Studio Code

A mutation testing tool for Python 3.3+ source code

Open source Postman alternative with type safety built in.

Perform 110+ operations, including encoding, decoding and more...

Distributed, offline-first bug tracker embedded in git, with bridges

JS performance

An extension that allows for Bionic Reading on any webpage!

a Ruby regular expression editor

Visualizing Real-World User Experience Data with Chrome User Experience Report

An open source documentation about Android UI testing.

Test SMTP connection and see the complete SMTP log.

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

Commonly used software development and testing tools

A pytest plugin that allows recording network interactions via VCR.py

Create mock APIs in seconds

Automate web applications security assessments

Edit and debug on any OS

Collect your thoughts and notes without leaving the command line.