
Description: Lightweight PDF is a free, open source PDF viewer for Windows. It is a fast, small, and feature-rich PDF reader. It allows viewing, printing, and searching PDF documents.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: AvePDF is a PDF editor and converter software that allows users to easily edit, convert, merge, split, compress, and more with PDF files. It has an intuitive interface and offers robust functionality for both basic and advanced PDF tasks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API