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.
Hellofax - Easy. Reliable. Online faxing. Send & receive faxes from anywhere.
HylaFAX - HylaFAX Open Source is designed around a client-server architecture. Fax modems may reside on a single machine on a network and clients can submit an...
eFax - Over 11 million people use eFax every day for their fax communications.
mFax - mFax is a cloud-based fax solution for sending and receiving faxes from any device.
ActFax - ActFax by ActFax Communication-Software GmbH - Fax Server and Email Software for Windows, Terminal Server, Citrix and Unix - ActiveFax Server