Messmo Messmo is an application that uses the mobile Internet, and combines SMS with the best of instant messaging and email, to give you:
Use real mobile numbers for SMS, Free TXT and attachments. Send to Messmo and non Messmo users.
Create an instant group with a new number. Send one TXT and all of your friends get the message
Quetim Quetim - With Quetim you can write messages much more quickly than with other text input methods (Multi-tap, T9 or iTap). You do not need any special communication software installed on each computer you use. You need only any Java-enabled mobile phone / device with a camera and the Quetim web page
EncryptionSMS E-SMS is j2me application to sending secret sms, another person can not read this sms besides sender and receiver, because use password, the password only and must be known by sender and receiver. just install this application at sender and receivers