
Description: SingleFile is an open-source browser extension that allows users to save entire web pages in one HTML file for offline use. It captures all resources like images, CSS, and JavaScript into a single self-contained document.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: WebScrapBook is a free, open source web scrapbooking software that allows users to save web pages and snippets locally for offline browsing. It supports full page capture, annotations, search, tags and categories to help organize saved content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API