Stay in touch with your friends and family with the free Gizmo SMS service. Select the country and enter in the phone number along with your message (maximum 80 characters). Gizmo SMS doesn’t require that you specify the cell phone carrier associated with the phone number you provide. Country codes are automatically added after you select the recipient’s country.
Gizmo SMS delivers messages promptly, unlike so of the other services I tested – although the message contains some Gizmo-advertising, the message isn’t too cluttered (if you send more than a word or two). Gizmo SMS can be useful in online cafes, where you want to keep your Skype and other online accounts safe.
Gizmo SMS is free to use but may not be free for the person who gets the message; depending on their calling plan.