
Description: CheckURL.org is a free tool that allows you to test and diagnose issues with your website or web application. It checks for broken links, spelling errors, load times, SEO issues, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: URLscan.io is a free online service that analyzes websites and detects potential threats. It checks for malicious content, tracks website requests, and monitors dynamic page elements. The tool is useful for web security analysis.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API