Diafaan SMS Server – full edition
turn your gsm/3g modem or smpp account into a full-featured two-way sms gateway.
Diafaan SMS Server – basic edition
diafaan sms server is a powerful sms gateway for gsm modems and smpp accounts.
ActiveXperts SMS and MMS component
SMS and MMS ActiveX/COM component. Send, receive via GSM/GPRS,SMPP,XML/SOAP