1)   SMS and Pager Toolkit 4.1 SMS Control to send and receive SMS messages. Features GSM modems (incl. WaveCom, Multitech), SMPP and SMSC (TAP,XIO,UCP) and GSM phones (incl. Nokia,Siemens,Motorola). Samples for VB.NET, VC#.NET, VC++, Visual Basic, ASP and ASP.NET 2)   UltraSMS 1.4.3.5 With UltraSMS you can save money sending SMS from your pc. You can use also useful options like scheduled delivery, anonymous SMS, flash SMS, etc. Register at http://www.agiletelecom.com and obtain a free test account. 3)   Atelier Web SMS Pro 1.0 Very comphreensive software for sending different types of SMS messages from your computer to GSM cellular phones everywhere in the World. 4)   SMSC Relay VCL SDK 2.3 SMSC Relay VCL SDK library is a VCL library for SMS/EMS communication with the SMSC through TCP/IP. Protocols SEMA, CIMD2, UCP and SMPP. Send and receive SMS, EMS, logos, ring-tones, 7-bit text, 8-bit binary data and Unicode (UCS2) messages. 5)   ActiveXperts SMS Messaging Server 4.0 SMS messaging framework for sending, receiving and processing SMS messages. Database oriented (MS Access, MS SQL, Oracle). Support for GSM modems, SMPP providers, POP3 and SMTP. Includes an API to process incoming messages. 6)   SMSC Relay ActiveX SDK 2.3 SMSC Relay ActiveX SDK library is a ActiveX library for SMS/EMS communication with the SMSC through TCP/IP. Protocols SEMA, CIMD2, UCP and SMPP. Send and receive SMS, EMS, logos, ring-tones, 7-bit text, 8-bit binary data and Unicode (UCS2) messages.