SMS-it
SMS-it! allows you to send a short message (SMS Short Message Service) to a mobile phone using your computer. SMS-it supports Picture messages, Caller Group Graphic, Operator Logo, Ringtones and Flash SMS. The messages can be sent through an attached modem, through an internet connection or... The phonebook can also be downloaded and synchronized with SMS-it!. ... The Integration with MS Outlook is possible. ... If a mobile phone is attached to the computer (IE through the IR port), the contents of the inbox can be downloaded and stored in folders.
http://www.mawnet.com/sms-it.zip - 4Mb - Download - Screenshot

HS GSM SMS C Source Library
HS GSM SMS is a C source library that provides a PC-based user application with access to a mobile phone's Short Message Service (SMS) functionality, according to ETSI standards: GSM 07. 05 (ETS 300 585) - "Use of Data Terminal Equipment - Data Circuit terminating; Equipment (DTE - DCE)... 40 - "Technical Realization of Short Message Service - Point-to-Point. ... Features: * Interface with mobile phone over COM ports COM1 - COM8 * Sending SMS messages to GSM network * Receiving incoming SMS indications from mobile phone * Reading received SMS messages from mobile phone * Deleting messages...
http://www.hillstone-software.com/hs_gsm_sms_demo.exe - 308Kb - Download - Screenshot

Atelier Web SMS Pro
AWSMS Pro uses the modem already installed on your PC to send GSM SMS messages. You don't need to muddle with cables and infrared devices, you don't even need a cellular phone, the messages are sent directly to a SMSC (Short Message Service Centre) which in turn dispatches them immediately to...
http://evalsoftware.atelierweb.com/awsms10.zip - 1Mb - Download - Screenshot

FastSMS III
FastSMS III is a simple, reliable tool for Short Message Service (SMS). This program sends text messages to the cell phones of any subscribers whose providers support the service. It has an exclusive and easy-to-manage interface adapted to SMS standards and offers you more extended features for... Using FastSMS III you do not depend on any SMS centers, sites or SMS gates, so it increases your message confidentiality and saves your time and money. ... You can communicate with anyone who has a wireless phone, paging carriers, handheld or an e-mail address.
http://simpleforce.net/fastsms/fsms33.zip - 881Kb - Download - Screenshot

Group Text Messenger
This is an SMS (Short Message Service) standalone application that allows various groups of users to be sent SMS messages in just one instruction.
http://www.accusoftware.co.uk/downloads/zips/grouptextmessaging.zip - 3Mb - Download - Screenshot

Atomic Mail Sender
Internet marketing relies heavily on fast delivery of large numbers of messages to customers. Times when we were sending out several e-mails using our traditional e-mail client software are left well behind. Today, modern businesses require immediate delivery of messages to hundreds of thousands... mail service providing the shortest possible way for sending your message! ... Besides that, custom message headers can be specified! ... Whether it is a corporate broadcasting service or a business-to-customer communication we constantly search for appropriate solution.
http://www.amailsender.com/d/ams.exe - 2Mb - Download - Screenshot

Remote Performance Observer
Major system capabilities: Remotely collecting data on machines' resources usage (Memory, Processor, Hard Drive, Network Adapter, etc. ), current services and protocols states on the machine (Web Service, Indexing Service, IP, TCP, UDP, ICMP, SMTP, etc. ... Sending short messages to the users of the stations in a network. ... Visualizing data in the following ways: at the graph, as statistical report, as indicators (bar, gradient and scale). ... Performing remote administration tasks: running programs, locking machines, etc.
http://www.apexoft.com/rpo/rpo.zip - 3Mb - Download - Screenshot

PopMessenger
As the world starts moving faster, we all want to catch up with the latest technologies. Indeed, investing in faster, more reliable and less human-dependent technologies, is a great opportunity to win the race and beat the competition. One of the key factors of successful business operation is... Common means of communication, such as verbal instructions, phone conversations and e-mail messaging, are far from perfection when it comes to delivering short messages to multiple individuals. ... PopMessenger operates as a LAN-based instant messaging system allowing for immediate rich text...
http://www.leadmind.com/pmesseng.exe - 2Mb - Download - Screenshot

SMSC Relay VCL SDK
SMSC Relay VCL SDK library is a set of optimized VCL components enabling quick creation of applications implementing the communication with the SMSC through TCP/IP protocol. Changes in version 2. 3 - Delphi 2005 and Delphi 2006 compatible. - Stable and well tested vesrion of the components -... - Asynchronous message submit in SMPP protocol (SubmitMessageAsunc function). ... Key features: - Multithreading construction ensures maximum efficiency of the sending and receiving messages process - Receiving messages sent by users to special (short) numbers (contests, surveys, voting services etc.
http://www.tops.com.pl/download/smscr-vcl-2.3.55.exe - 2Mb - Download - Screenshot

SMSC Relay ActiveX SDK
SMSC Relay ActiveX SDK library is a set of optimized ActiveX components enabling quick creation of applications implementing the communication with the SMSC through TCP/IP protocol. Changes in version 2. 3 - Stable and well tested vesrion of the components - accumulates small fixes gathered from... Key features: - Multithreading construction ensures maximum efficiency of the sending and receiving messages process - Receiving messages sent by users to special (short) numbers (contests, surveys, voting services etc.
http://www.tops.com.pl/download/smscr-ax-2.3.55.exe - 2Mb - Download - Screenshot