
Description: PDF Letterhead is software that allows users to easily create customized letterhead templates as PDF files. It provides tools to add logos, contact info, and design elements to letterhead for professional correspondence.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: clawPDF is a free, open-source PDF viewer, editor, annotator, and converter for Windows, Linux, and macOS. It allows users to view, edit, sign, and annotate PDF documents, as well as convert them to and from other formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API