Hellofax - Easy. Reliable. Online faxing. Send & receive faxes from anywhere.
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.
eFax - Over 11 million people use eFax every day for their fax communications.
RingCentral Fax - RingCentral Fax is an online fax solution that enables companies to avoid the bulkiness of paperwork and maintenance costs of fax machines and charges of phone lines.
myfax - Hosted digital fax solution
Sfax - Secure Internet Fax