FaxitFast is a leading Internet fax service that makes it simple to send and receive faxes by email, through the web or directly from your smartphone.
myfax - Hosted digital fax solution
Hellofax - Easy. Reliable. Online faxing. Send & receive faxes from anywhere.
eFax - Over 11 million people use eFax every day for their fax communications.
XM Fax - XM Fax is a file exchange solution that provides companies and users with secure transmission of their highly sensitive documents, including contracts, financial statements, transcripts, legal notices, etc.
GotFreeFax - Send Free Fax Online to the U.S. and Canada.
OpenText RightFax Fax Server - Fax server software by OpenText provides a scalable solution that integrates with industry applications that power business processes.