FaxSalad - Pay-as-you-go, secure faxing.
Tiny Fax - The Township of Tiny is an environmentally focused, diverse family of communities providing a healthy lifestyle. (Account not monitored 24/7)
Friends of Thrones - Extension that changes GoT spoilers into a Friends scene
Fax Engine - Replace your traditional fax machine with your mobile number
Bitcoin Fax - Bitcoin Fax allows you to send a fax with minimal fuss. No sign up required. How it works:
GotFreeFax - Send Free Fax Online to the U.S. and Canada.