Cryptographic SMS (Safe SMS) - Cryptographic sms app allows u to send encrypted (Converting text into unreadable forms) sms. So that others cannot see your message. You can also protect your message with password, which will be prompted while decrypting(converting back to readable form) the received sms. Both the sender and receiver should have this app
Pennytel for WP7 - Are you a Pennytel customer, if so you can use this app to send cheap text messages and initiate callback connect calls.
This is a basic version 1 application, please leave feedback to request features..
Super Texter gives you the power of emailing and texting with custom templates for quick sending. The best feature of the app is the power to create groups for texting and emailing as well. Create templates for groups as well
Lets user compose five different SMS in the same Interface. Now reach out to your dear ones with different messages at the same time. They are now only a touch away
Webtextr - Send free webtexts from your Windows Phone.
Webtextr allows you to use the free webtexts provided to you by your Irish mobile phone network in a convenient app.
This app is for customers of Irish mobile phone networks only. The following networks are supported: Meteor, O2, Vodafone, Three and Eircom/eMobile
QuickText (free) is a Windows Phone 7 application that lets you quickly send pre-defined group text messages - within 2 taps!
The main feature of QuickText is SPEED. It loads quickly and the user can navigate through the app quickly. Once groups and messages have been configured, it only takes 2 taps to get a group text message ready to send
Cheap SMS Pro - Send text messages to alomst all mobile phone number in the world starting from 7,1 cents (Euro) or 10,0 cents (US Dollar) / SMS! The more SMS you send the cheaper your price will be - No matter which country you send your text message to