
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: OpenViewerFX is a free, open-source image viewer, converter and editor for Windows. It supports a wide range of image formats and has basic editing features like cropping, resizing and color adjustments.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API