
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: PDF Signer is a software tool that allows users to electronically sign PDF documents. It has features to add text, images, and digital signatures to PDFs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API