PlaySMS
A SMS gateway application written in PHP and is utilizing Gnokii to control mobile phones and send/receive SMS. [Open source, GPL]

Promptext
Provides bulk SMS services to businesses for marketing, promotion and internal communications, including appointment reminders and linking to other applications providing SMS functionality.

SMSPup
Provides free SMS messaging services to Australian mobile users. The site features calendar alert, ASX stock alert, Nokia logos and an email to SMS gateway.

Go Response
Professional telephone answering service. Messages taken relayed via email, fax or SMS. Information on service, prices and special offers.

Voicestream
Wireless phone company covering most of the U.S. using GSM. Recently acquired Aerial. Features Mobile Originated SMS (MO-SMS).

WebTrini.Com SMS Service
Send SMS messages to TSTT cell phones through this online service. Also provides links to worldwide SMS gateways.

Activemedia Technology
Software platforms and toolkits to consumer organisations interested in deploying wireless applications and services using SMS and WAP, including the latest reverse billing SMS technology.

iKontakt
Offers mobile messaging applications including 2-way SMS from PC, handset tracking, bulk SMS, wireless marketing and interactive mobile services. Solutions, services, downloads, news.

SMS Everywhere
Send text messages from your computer to cell phones in North America for free.

IntelliSMS.com
Offers web based services sending SMS text messages to mobile phones in many countries and across many networks.

Wired News: Students Called on SMS Cheating
Six University of Maryland students have admitted cheating on an accounting exam by using their cell phones to receive text messages with the answers. Another six students were implicated in the case.

Server Ninja
Capable of sending SMS text messages. 14 day trial available.

SMS Broadcast
SMS sending through web gateways software.

Aquanta Networks
Offers a service that allows you to send fax and SMS messages using the internet to initiate calls from Belgium.

Send.SMS
Links to freeware and shareware SMS/texts messaging programs, to send texts messages to a mobile/cell phone from the computer.

Apna SMS
Offer web based free SMS service to most networks in India.

PSWinCom SMS Gateway Client
COM component for integrating SMS (GSM) support. For use together with the PSWinCom SMS Gateway service on the Internet. By ProduktivData. [Control, Commercial]

SMS Carfinder.com
SMS mobile car buying service where car buyers source vehicles using a mobile phone accessing a national database.

ADTXT.com
A two way web based promotional system for building memberships and sending bulk and low volume SMS text messages to mobile phones via the Internet.

Asiadragons India SMS Station
Facility to send Short Message System messages to any local GSM handphones.

Bulk SMS
Send a single or bulk SMS text messages to any mobile phone using your web browser. Features, prices and coverage.

Asiadragons Indonesia SMS Station
Provides short message system (SMS) to any local GSM handphones.

Perth Western Australia.
Portal offering free email and SMS messages, as well as links to local news and information.

Ringtones Australia
Provider of ringtones, operator logos, picture messages, colour backgrounds and sms for mobile phones

sms-24 SMS Gateway
Offering fast and reliable worldwide SMS delivery at low cost, including pictures, logos and ringtones.

IPIPI
Offers international SMS services to send two-way text messages between computers and mobile phones.

Fastxt
Mobile instant messaging and least cost routing for SMS and picture messages. Software runs on symbian enabled handsets.

Pasarela Directa
Offering pre-paid SMS and WAP service packages for websites. Setup for sending logos, sms, ringtones from websites. (based in Spain)

SMS Country
Offer web based SMS service in India and around the world.

MailFreeOnline.com
This free site allows you to send free anonymous emails, faxes and SMS messages.

Team-TXT Sports Information Services
Provides SMS text messages to supporters; including score alerts, transfer news, ticket information and directions to away grounds.

eGenie
Windows interface to send SMS messages to UK mobiles via O2 (previously Genie). Supports multiple addresses and message spanning.

net2SMS
Offers ringtones, picture messages, operator logos and SMS.

SMS India
Offer web based free SMS service within India and worldwide to supported networks.

E-spectations
Bulk sms, SMS applications, software and other SMS solutions to suit customer needs and requirements including online marketing and branding.

Red Oxygen SMS
Tools to send SMS messages from Microsoft Outlook or Lotus Notes

Zingy
Members can send text and image messages by SMS. Also offers ring tones and logos for mobile phone users in North America.

Textmagic
Software for sending SMS text messages, Nokia logos and ringtones from a PC. Includes download, account management and help.

Clickatell Mobimail
Send global SMS messages from Outlook and Outlook Express with Clickatell Mobimail. Full Outlook calendar integration. Uses existing address book.

DigiDots.co.uk
Offers free ringtones in composer, keypress and rtttl formats. Also provides logos, sms, picture and voicemail messages.

SMSWhiz - International SMS Services
South African - bulk SMS aggregator. Multiple gateways. Delivery advertised globally.

commzGATE SMS Application Ser vers
An SMS messaging server for extending infrastructure with wireless messaging capabilities, such as enterprise system alerts, marketing messages and mobile collaboration.

Forgot You Not
Automated (SMS) text messages for birthdays and special occasions.

CodeSegment - SMS Poll Center
Software for creating custom Short Message Service (SMS) opinion polls, surveys, voting, quizzes, chats, feedbacks on GSM mobile phones.

Amafone
Provides services for internet, SMS, and WAP including domain hosting and registration, SMS broadcast and alerts, database integration and location based services.

InDigiComm
Paid service allowing you to send and receive emails and faxes on your cell/mobile phone using SMS messages.

SMS.ac
Large SMS community system offering free text messaging in exchange for participation in advertising.

Xs 2 SMS - Free SMS Service
Sends Free SMS all over the world.

Egypt SMS
Corporate SMS solutions, supporting SMPP, EMI/UCP and HTTP with global coverage.

Connex Melbourne
Timetable information, trip planning and news regarding Connex services. Apply for Connector Plus membership and receive SMS text messages about delays to peak hour services.

sms2email-Liveticker
With this free PHP script can display a liveticker on website that can update via SMS messages from mobile phone. [Freeware]

SoftMessage
Free SMS software that enables you to send text messages from your computer to mobile phones using the internet.

Txt Solutions
Software to update any blog that uses the standard blogger API, this currently includes Blogger, LiveJournal, zBlogger and BBT. SMS updates of your blog can be carried out using any mobile phone enabled to send text messages.

Asiadragons China SMS Station
Provides the facility to send short message system messages to any local GSM handphones.

ReadNotify.com
Email return notifications delivered by e-mail or SMS messages .

InstantCom
Interactive applications, SMS voting, SMS games, J2ME games, mobile and internet dating service, mobile entertainment SMS Quiz mobile content management system, messaging delivery platform.

gsmlib
This distribution contains a library to access GSM mobile phones through GSM modems. Features include: modification of phonebooks stored in the mobile phone or on the SIM card, reading and writing of SMS messages stored in the mobile phone, sending and reception of SMS messages.

mgenie SMS Solutions
SMS text marketing, applications, content and delivery. Includes reverse billing, games and competitions.

SMSactive
send single and multiple SMS messages, WWW-WAP-email-SMS gateway, logos, pictures, ringtones

Value SMS
Web-based gateway for sending SMS text messages.

WildMobile
A service allowing users to send and receive SMS (short text messages) and email, plus maintain an address book on a mobile phone.

Bi-Directional SMS-Gateway
Swiss based two-way SMS aggregator. Many networks covered, several connection methods provided.

Advanced Information Networks
SMS Controller products which control, monitor and log data from remote and mobile locations via SMS messaging.

SMS Nordic AB
Provides short message services and products including an SMS server. Includes company and product information.

Meca Messenger
Multi protocol Instant messenger with: multimedia integration, skins, SMS capabilities, logs, email viewing and offline messages.

PinoyMail
The first Web-based free Filipino email service with Internet SMS (international texting). With downloadable logos, ringtones and picture messages.

Effortless Contact Manager
Track clients and contacts anytime, anywhere via the web. Track messages and scheduling, and stay on task with SMS reminders sent to your cell phone or pager.

Aspicore SMS Gateway
Enables Windows applications with a two-way cellular phone text message interface. You can process and transfer data from the SMS messages to a SQL database.

SMS Australia
Mobile, wireless technology, cellular, SMS news and information portal for the Australian community.

RelayStation messaging by voice, sms, email and fax
Offers a service to broadcast messages by e-mail, SMS, fax or voice.

CrushCow
SMS text flirting service which allows you to send anonymous messages to your crushes, with personals, polls, and advice column.

DictoMail
Provides a service that converts voice messages to text and delivers the text message to your email or SMS enabled device.

Streetdata Mobile Messaging
SMS gateway, text messaging solutions for individuals and corporate clients, with support for 2-way SMS and large volume transmissions.

Christian Affair
Information on services provided - Christian events, messages by email/SMS, sales of gifts. Includes national church directory, and links to sources of advice.

text-me.biz
Provides themed sms text and email messages, including puzzles, poems, riddles and facts.

CosmicCupid
Send SMS flirting messages to mobile phones.

SMSTrans
Send SMS messages to certain digital mobile phones and pagers.

MessageWay
SMS gateway software enabling the integration of incoming and outgoing SMS into applications and websites. Registration, demo, FAQ.

Asiadragons SMS Station
Provides Short Message System (SMS) service, by which users can send a message from their computer to any GSM cellular phone in South Korea.

SMS ActiveX
(OCX) control for websites and Visual Basic users. Send SMS messages from Microsoft IIS 5 web site or a Visual Basic 6 program with the mobile phone attached by a serial cable.

sms.williams.co.tt
Send SMS messages to TSTT cell phones through this online service. Automatically checks status of SMS gateway.

Driver SMS
Your vehicle's registration number / licence plate is a unique contact address with this sms service.

Call Direct
Provides a non web based PC to mobile SMS system called Office SMS. Said to be easy to install, fully two way and does not need to use the Internet.

Clickatell
Provides bulk SMS software, and SMS gateway integration tools.

PC2SMS
Software allowing you to send and receive SMS messages from your PC.

StrongCube SMS Component
Sends SMS (short message service) from computer connected to mobile phone via serial communication port.

Mobtastic
Provides ringtones, operator logos and picture messages. Also offers SMS alerts and mobile news.

Eko SMS Appliance
The Eko suite of products and services offers a unique range of SMS applications and infrastructure for marketing, communication, and information transmission, enabling organisations to effectively communicate with their customers and personnel.

Bluetooth SMS
A student project aimed at running an SMS application between a Bluetooth enabled computer and a Bluetooth mobile phone.

Toneagogo for more info see toneagogo.net for ringtones and more.
Give a new look to your mobile with ringtones, logos, nokia, java games, siemens, backgrounds, sony ericsson, themes, sms, picture messages and more.

web2txt
Offers java games, polyhonic and mono ringtones, colour wallpapers, picture messages and logos. Also offers football, lottery, tarot and rune SMS services.

Wiana SMS mesh gateway
Send text messages for free to any bluetooth mobile connected to the meshAP network.