I would like to present today two free services, allowing you to send SMS from your desktop Windows PC to mobile phones, including overseas.
Send free text or voice SMS online. No need to register, just write your message and send free SMS to any Country. Simple and straightforward form, secured by captcha from spam.
Text Message anyone worldwide for free with international SMS messaging with no registration or sign-in. Service is fast and reliable, and the amount of the messages you may send is limited only by Fair Use rules.