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

Description: PDFescape is a free online PDF editor that allows you to view, edit, annotate, fill forms, sign documents, and more with PDF files directly in your web browser. It offers basic PDF editing features for free.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API