Send sms via email using the following email address, replace ‘PhoneNumber’ with the recipient’s phone number. Leave the subject line empty as shown in the image below.
Jaxtr - A new web SMS service, free to use, tested by geckoandfly and found it to be reliable as promised at the time of writing.
Free Global SMS - Send free international SMS messages, comes with a world map that lists providers that offer free SMS messaging services.
Send a Free SMS - Send free SMS to USA and Canada only.
Gizmo SMS - Send FREE messages to any Mobile Phone, international SMS allowed.
Text Memos - Schedule a SMS for special events such as birthday wishes and more. TextMemos.com will send a free text message reminder to the phone at the scheduled time. No Registration Required! Only for American mobile carrier.
Send SMS Now - Free international sms, registration required. Allows the sender to receive text replies in their SendSMSnow inbox. send and receive sms messages online. Send UNLIMITED text messages to your contacts and more.
SMS Everywhere - Free SMS service to USA cell phone only.
Some url are not functioned as mentioned. So beware of it!!