The best Software Testing tools and resources on the internet.

A mutation testing tool for Python 3.3+ source code

A REST API testing tool to automate e2e, integration, contract, and component (or service-level) tests.

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

View JSON in a browser, with syntax highlighting, collapsible arrays and objects, and nice readable formatting.

Learn everything there is to know about REST apis with the this opensource resource.

Capture your screen effortlessly with a free, browser-based recorder requiring no setup, installation, or signups.

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

Clean Code starts in your IDE

The Test Step Recorder

Write clean, maintainable unit tests with minimal boilerplate with Java

A tool to test web content for accessibility and 508 compliance.

A flaky network simulator for your mobile app

Generate regex patterns by inputting an example of the text.

Record videos from the camera or capture from the screen.

Chrome and Firefox extension to discover problem areas in websites.

Display the page's content in JSON format.

Generate JSON data structures for mock data.

A lightweight, extendable front-end developer tool for mobile web page.

It is a penetration testing tool that focuses on the web browser.

mock object testing framework that can be used to create stubs in iOS apps.

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Easiliy generate fake (but realistic) data for testing and development using Faker.js.

Your shell history: synced, queryable, and in context

Automate web applications security assessments

Python framework for end-to-end / QA testing

An HTTP request client that provides an Axios-like interface over top of node-fetch.

An LLM playground you can run on your laptop.

A Chrome extension designed for making web exploratory testing easier

Web Application Security Scanner Framework

JavaScript Library to extract domains, subdomains and public suffixes from complex URIs.