SMS Yahoo

Yahoo SMS! is a widget which will allow you to send text messages to mobile phones for free. No matter where the recipient is, because it can send them worldwide.

You can send as many messages as you want to the USA and Canada and up o five each day if you the SMS are going to out of the USA or Canada.

The SMS widget includes an address book where you can include all your contacts, indicating their phone numbers and their country and carrier (if you don?t know them it?s no problem) Long messages are automatically split into multiple parts.

The first time you run it, you have to register your phone, just including it in the text box, then you recevie a password in your mobile to confirm the activation. After that, you can start sending free SMS worldwide with no restriction.

Note:
It requires Yahoo Widget