JSignPdf vs Viber
A side-by-side look at JSignPdf and Viber. For an in-depth review of either product, follow the links below.
JSignPdf
Development
JSignPdf is an open source Java library that allows developers to digitally sign PDF documents programmatically. It supports features like visible and invisible signatures, time stamping, multiple signatures, and more.
pdfdigital-signatureencryptionjava
Viber
Social & Communications
Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
messagingcallingfreecontacts
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