
Description: SourcePDF is an open-source PDF editor for Windows, Mac and Linux. It allows users to view, edit, annotate, sign, fill forms and convert PDF documents. Key features include editing text and images, adding annotations, digital signatures, JavaScript actions and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: KOReader is an open source document viewer and ebook reader application designed for e-ink devices. It supports a variety of ebook formats and offers features like annotations, bookmarks, and dictionary lookups.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API