Alternatives to Adobe Sign

	Adobe Sign Version: 1.0 Allows for signing documents and managing important paperwork	PDF Signature Signer Version: 2.0 Sign documents saved with the PDF file format using the X.509 public key certificate standard	iSkysoft PDF Editor for Windows Version: 5.5.0 Program designed to allow users to edit their PDF files	Perfect PDF Reader Version: 8 Alternative viewer for looking at portable documents on any PC
LICENSE	Free	Trial version	Trial version	Free
LANGUAGE	English	English	English	English
OS		Windows XP	Windows 8.1	Windows 8
Author	Adobe	Alicia Martinez	iSkysoft	soft Xpansion GmbH & Co. KG
Rating	6.5/10 (2)	7.0/10 (1)	5.2/10 (27)	6.8/10 (80)