With this application you can also backup & restore you're iPhone database.
SMS Free Sender
It's an application to send SMS to mobile phones.
iPhone Transfer SMS allows you to transfer your SMS to PC as a txt file.
SMS Server software
GSM Phone or IP SMSC-to-PC Enterprise SMS Server to send & receive messages.
A powerful program designed for sending SMS when using only one GSM Device.
Send bulk SMS messages and vCard using a GSM modem or mobile phone.
Kylix SMS Server is a SMS serving software specially designed to add SMS.
Bonrix Software Systems
You Can Send Single SMS, Group SMS, SMS In Perticular Series.
Copy, backup and manage iPhone SMS to avoid the SMS missing or the full SMS box.
SMSWALA is India's premier provider of Bulk SMS, Cheap SMS, Free SMS.
RedBag SMS can compose Nokia Flash SMS and Siemens Picture SMS.
Microsoft SMS Sender will let you create SMS and send them through your mobile.
1&1 Internet AG
1&1 SMS-Manager can help you to send sms messages from your pc.
SMS Wizard will help you send SMS from your computer.
An application which sends SMS messages through different SMS-gateways.
Grapevine Interactive (Pty)Ltd.
Use Outlook SMS to enable your Outlook Email to send and receive SMS messages .