There are several websites that offer free promissory-note forms for download and printing, including RocketLawyer. Customize the form on this site according to specific borrowing terms, then download, save, print and share as needed.
Most of the websites that offer free promissory-note forms allow the selection of a U.S. state from a drop-down menu, then further tailoring of the form as necessary. The Onecle site provides a choice of several types of promissory notes, including forms that list specific due dates and revolving credit agreements. Promissory notes list the amount owed by the borrower to the lender, and include all payment terms and default provisions.