
Description: Go4Convert is a free online document, image, audio, and video conversion tool. It supports converting between many popular formats and works right in your web browser, with no software to download or install.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDFZilla is a free, open-source PDF reader, editor, and converter software for Windows, Mac, and Linux. It provides essential PDF viewing, annotation, and editing tools in an easy-to-use interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API