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.
eFax - Over 11 million people use eFax every day for their fax communications.
ICTBroadcast - ICTBroadcast is multi tenant, unified communications and telemarketing software solution supporting Voice, SMS, Email and Fax broadcasting.
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