My-cool-sms.com is a free service to sent SMS to abroad.To send an SMS simply visit their website. Select the country from the list of 10 countries and enter the number to which SMS is to be sent. Now enter your message and click Submit.
In the next step, enter your phone number which will be displayed as a sender in your SMS. Next enter the verification code and click Submit. Now you SMS has been send.
There is only one restriction, it allows at the maximum 4 SMS per day. The main disadvantage of this service is not sent SMS to prominent countries like USA, China, and Brazil etc.