SignGen SignGen is a program that generates a unique electronic signature block that can be used to stamp a word document, e-mail or other electronic media as a valid document that requires to be formally ... Cost: $49 Buy full version       Trial version       Publisher: GJSmith.com     Descriptions SignGen: SignGen is a program that generates a unique electronic signature block that can be used to stamp a word document, e-mail or other electronic media as a valid document that requires to be formally authenticated and released by the document creator.