BuzzMe is a program that lets you send texts using the internet part of your phone. It's free to download and use.
The BuzzMe on your phone connects with people who have BuzzMe on theirs.
Your network can only charge you a fraction of a penny to send a text using BuzzMe.
BuzzMe was invented to save you money on your texting
Papaya - turns your phonebook into a fun and useful social network! It allows you to communicate with your friends cheaply and easily, no matter where you are. Using Papaya, you can play games with your friends, chat with them over IM, share pictures and other files, make cheap international calls, and more
Friendship Sher SMS I Do you wanna make new friends or say old friends how much you care & love them. Are you feeling alone and looking for some girl friend or boy friend? No matter what your choice is but we have everything a friend can look for. Send lovely Dosti SMS to all your dear friends and beautifully express your feelings
With OnChat by AfMob service you can send the cheapest SMS messages anywhere via your Mobile Data Plan avoiding all of those silly charges from your carrier. OnChat is a Graphical chat community where members host and create custom rooms
TextDating Canada SMS based dating/Chat service for the Canadian market. Users do not need to sign up to engage with a profile of their choice, membership is free, setting up a profile is free and so is the first text message
goText is a program for mobile phones that allows you to send text messages over GPRS/EDGE/UMTS/WiFi.
It is an opensource and multilanguage project and it would be a free world wide sms gateway. It is released under the GNU GPL v.2 license.
It is translated to: English, French, Indonesian, Italian, Spanish, and Turkish