
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 Merge Split Free is a free, open-source PDF manipulation tool for Windows. It allows users to merge multiple PDF files into one, extract pages from PDFs, reorder pages, rotate pages, and split PDFs into individual pages or custom page ranges.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API