
Description: VivPDF Editor is a free PDF editing software that allows users to view, edit, create, convert, annotate, protect, sign, and optimize PDF documents. It has an intuitive interface and various tools for common PDF tasks.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDF Arranger is a free, open-source software for rearranging, deleting and rotating pages within PDF documents. It provides an intuitive interface for easily manipulating PDFs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API