V*Channel - FAXLink. Interactive Voice & Fax Server software. Supports fax-on-demand, fax serving, fax broadcasting, and webfax solutions. - http://www.vchannel.com
RunFAX - Web server based fax server; Send and receive color faxes; Inbound routing by barcode, OCR, DID, DTMF; Long distance relaying over the Interne - http://www.runfax.com
RelayFax - fax software to automate the process of sending, receiving and managing of network fax traffic - http://www.relayfax.com/
Interstar Technologies Inc. - LightningFAX enterprise fax server. A scalable cross-platform fax messaging solution. XMedius T.38 fax over IP Server. - http://www.faxserver.com/
Imecom Group, Inc. - Send, receive, and manage faxes from the desktop, e-mail client, and most business applications including Exchange, Lotus Notes, GroupWise, and SMTP. - http://www.imecominc.com/
Gold-Fax - Gold-Fax is enterprise fax server software for Windows NT, Windows 2000, and OpenVMS. Send faxes from Windows applications, Microsoft Exchange and Outlook and SMTP e-mail. - http://www.goldfax.com
HylaFAX - Open-Source fax server - http://www.hylafax.org
Copia International - Windows software including fax server. Compatible with Microsoft Exchange and supports custom scripts, IVR, voice and e-mail broadcast. - http://www.copia.com
Esker - Electronic delivery format via web, email, fax, archive, mail-on-demand, wireless message, or print-all with no modifications to the source application. - http://www.esker.com/
Biscom - Fax server and fax software solutions - http://www.biscom.com/
ElectraSoft - Send and receive fax software from a single computer and modem to a network. - http://www.electrasoft.com/threefax.htm
Vogler Software - ActFax, Server software for Fax and email for Windows and UNIX systems. - http://www.actfax.com/