למידע נוסף על המוצר של GroupDocs והצעת מחיר:

With this library you can seamlessly enhance your apps with the e-signing capability. Your users are then able to get documents signed electronically using only a web-browser. Detailed audit trails, 256-bit SSL encryption and other advanced security features ensure signed documents have legal effect and are kept private, while a wizard-like UI makes the signing process quick and easy.