vFax - Get a virtual fax number for as low as $2.99 per month and 3.0 cents per minute
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.
mFax - mFax is a cloud-based fax solution for sending and receiving faxes from any device.
Fax Pro - Simple, yet delightful way to send & receive faxes on the go.
Hellofax - Easy. Reliable. Online faxing. Send & receive faxes from anywhere.