Here's the list of free sms sites:
www.160by2.com
www.way2sms.com
www.indyarocks.com
www.jaxtr.com
www.gii.in
www.gizmos.com
www.atrochatro.com
www.text4free.net
newly included websites(as per the user comments): www.youmint.com
if you know any other services just comment here
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