CieSign
Istituto Poligrafico e Zecca dello Stato S.p.A.
CieID
Docusign
DocuSign
JetSign: Fill & Sign PDF Forms
JetSign
Signeasy | Sign and Fill Docs
Glykka LLC (dba SignEasy)
IDEA Identity Easy Access
Adobe 填写并签名
Adobe
signNow: Sign & Fill PDF Docs
SignNow
点点签 - 电子文件签署、多人签署邀请与表单填写
Kdan Mobile Software Ltd.