
Description: PDF4U is a PDF management software that allows users to easily view, edit, create and convert PDF files. It has an intuitive interface and provides features like annotation, redaction, form filling, OCR and batch processing of PDFs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: FlexiPDF is an open-source PDF library for .NET and Java that allows creating, editing, splitting, merging and manipulating PDF documents programmatically. It provides a simple API for common PDF tasks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API