EZFaxserver
EZFaxserver
http://www2.campai.nl/site/index.php/page=products
CAPIsuite
Old website of capisuite - a capi isdn application for linux
http://www.capisuite.de/
Fax2send
Fax2send
http://www.fax2send.com/
Hylafax
Hylafax
http://www.hylafax.org/
LightningFAX
Interstar technologies provides internet fax server software for enterprises and service providers. xmediusfax, market's first t.38 real-time fax over ip (foip) software fax server and award-winning foip fax server lightningfax enterprise.
http://www.interstarinc.com/
VSIfax
Esker fax server, vsi fax, vsifax, unix & linux platform, fax server: information delivery, esker software, mail, fax, archiving
http://www.vsi.com/