SMS Server
SMS Gateway is a powerful, flexible application, that enables you to send/receive SMS messages to mobile devices with your computer. It has an easy to use user interface, and an excellent internal architecture. The application can use a GSM mobile phone attached to the PC with a phone-to-PC... ) Software developers: Software developers can integrate SMS messaging functionality into their applications very easily. ... The Message Server puts all received SMS in an incoming database table. ... You can read more about this new technology, that provides high performance and reliablity in the...
http://www.ozeki.hu/index.php?owpn=504 - 0b - Download - Screenshot

MobiManager for Nokia Phones
Never loose valuable data again! Edit and backup your phonebook, view hidden security features, create your own logos and funky ringtones. MobiManager is the easy-to-use software for creating phone logos, ringtones, startup images and screensavers. Use it to backup and restore your phonebook,... If you use a Nokia mobile phone, MobiManager can help you edit your phone book; backup and restore the contents of your cellphone; personalise your cellphone with designer logos and customer ringtones; send logos and ringtones to friends and acquaintances; SMS your friends, business colleagues and...
http://www.mobimarketing.com/downloads/mobimgr.zip - 761Kb - Download - Screenshot

mCore .NET SMS Library (PRO)
mCore . NET SMS Library - PRO is a powerful and easy to use . NET Class Library, written in 100% managed code, for for 2-Way SMS, WAP Push, vCard/vCalendar. It can be used with any ETSI 07. 05 compliant GSM modem or phone handset connected to the PC serial port using a data cable, Infrared... alert messages; immediate display) - Supports 7-bit GSM default Alphabet as well as 8-bit ANSI and 16-bit Unicode characters (international languages like Arabic, Chinese, Hebrew, Thai, Hindi etc) for sending as well as receiving SMS - Events for New Incoming SMS,Delivery Status Report and Incoming...
http://www.logixmobile.com/downloads/docs/softwares/mCoreLib.exe - 1,002Kb - Download - Screenshot

NexySMS
Have you ever though of how great it would be to type SMS with the easy computer keyboard you are used to instead of struggling with the tricky one on your mobile phone? How about sending SMS from your computer to mobile phones worldwide using your own phone number, not messing with all those... Send and receive SMS messages from all over the world as easy as you use your online instant messenger. ... SMS-chat with your buddies using your computer and mobile phone ? ... What about receiving SMS sent to your mobile on your PC and reading them on a large screen?
http://www.nexytools.com/download/NexySMS.exe - 2Mb - Download - Screenshot

mCore .NET SMS Library (LITE)
mCore . NET SMS Library - LITE is a powerful and easy to use . NET Class Library written in 100% managed code. It can be used with any ETSI 07. 05 compliant GSM modem or phone handset connected to the PC serial port using a data cable, Infrared device, Bluetooth etc. ... alert messages; immediate display) - Supports 7-bit GSM default Alphabet as well as 8-bit ANSI and 16-bit Unicode characters (international languages like Arabic, Chinese, Hebrew, Thai, Hindi etc) for sending as well as receiving SMS - Events for New Incoming SMS,Delivery Status Report and Incoming Call - Set SMSC or use...
http://www.logixmobile.com/downloads/docs/softwares/mCoreLib.exe - 1,002Kb - Download - Screenshot

Mail2SMSXXL
Mail2SMSXXL enables you to use your favorite e-mail program to organize your SMS messages on your mobile phone.
http://www.xxlshare.net/mail2smsxxl/files/setup_Mail2SMSXXL.exe - 1Mb - Download - Screenshot

acesms activex
Ace sms ActiveX Control is a great SMS SDK that allows your program Send/receive sms with all Gsm AT Command Set compatible phone/modem from a Windows System. AceSMS ActiveX is based on a widely accepted Technical Specification known as : GSM0705 GSM0340 Digital cellular telecommunications... Nokia: N5110/6110/6150/7110/3210/3310/3330/5510/5210/8210/8250/8850 Siemens:S2588/3508/3518/3518i/3568/3618/6618/6688/2118 Ericsson:T28/T28s/T39m/T68/R380s/GM/GA 12/GM25/T610/F221M/F251M. ... The following table summarises compatibility reports that have been received by users, and does not...
http://www.sinoexam.com/fwcx/tingkeka/libs/acesmsx22.exe - 8Mb - Download - Screenshot

Encaps2SMS
Encaps2sms checks your mailboxes, when you're leaving the computer, and sends notifications about new messages onto your mobile by sms. You may setup leave timeout (in minutes), mailbox access settings (unlimited mailboxes support, ssl), sms sending (your may setup smtp-server, your mobile... Demo-version is full functional. ... User interface is intuitive and simple. ... After starting, program minimized its main window to the system tray. ... If you click on that icon, main program's window will shows up again.
http://encaps.net/software/2sms/encaps2sms-0.8.1.zip - 675Kb - Download - Screenshot

NotePager 32
NotePager 32 is one of the leading wireless / SMS software applications for small businesses and home users. Text or SMS messages are quickly sent to to alphanumeric pagers, and/or cell phones from an easy to use Windows program. NotePager is elegant in design and inexpensive in price. ... In addition an unlimited number of pagers can be setup and all messages can be recorded in a detailed log for archival purposes. ... NotePager 32 is designed to improve communications with remote staff or spouses on the road.
http://www.notepager.net/download/notepager32.exe - 2Mb - Download - Screenshot

TWSMSMail
Send e-mail to SMS/Handy
http://home.foni.net/~wenzlaff/smsmail/twsmsmail.exe - 512Kb - Download - Screenshot