Phaxio - Twilio for Faxing
FaxSalad - Pay-as-you-go, secure faxing.
Friends of Thrones - Extension that changes GoT spoilers into a Friends scene
Faxtail - Faxtail is a simple, secure online faxing service. No account setup, no trials, no monthly billing!
Bitcoin Fax - Bitcoin Fax allows you to send a fax with minimal fuss. No sign up required. How it works:
Tiny Fax - The Township of Tiny is an environmentally focused, diverse family of communities providing a healthy lifestyle. (Account not monitored 24/7)