
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-Shuffler is a free, open source software for Linux and Windows that can rearrange, split, merge and rotate PDFs. It allows working with multiple PDFs at once and comes with basic editing tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API