
Description: PDF Signet is a free tool for applying digital signatures and timestamping to PDF documents. It allows adding legally-binding signatures to PDFs to verify document integrity and authenticity.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Adobe Acrobat DC is a comprehensive family of software and services for creating, editing, signing, and sharing PDF (Portable Document Format) files. It offers a range of tools for document management, collaboration, and secure digital workflows.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API