Docusign is an electronic signature technology and digital transaction management service for facilitating electronic exchanges of signed documents.
Place signature fields and send final agreements to each signer.
Your final agreements reach the signers you list, and you get a reply with the invitation details in the original email thread.
Route approved agreements to every named signer.
Your agreement reaches the named signers with their own fields, and you get a link showing who received it and in what order.