ActFax VS XM Fax

mFax - mFax is a cloud-based fax solution for sending and receiving faxes from any device.

Hellofax - Easy. Reliable. Online faxing. Send & receive faxes from anywhere.

eFax - Over 11 million people use eFax every day for their fax communications.

OpenText RightFax Fax Server - Fax server software by OpenText provides a scalable solution that integrates with industry applications that power business processes.

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.

ictfax - ICTFAX is web based and open source Fax software, It is multi users and suitable to offer online Fax services, including Email to Fax, Fax to Email and Web to Fax. ICTFAX application support FoIP, T38 and G.711 pass through faxing also PSTN fax.