There are many websites in the internet which helps you to send free messages over the internet.....................few free messaging sites are given below
1.way2sms.com
2.ultoo.com
3.7waysms.com
4.160by2.com
5.smsindia.com
6.sendsmsnow.com
7.fast2sms.com
8.fullonsms.com
9.indyrocks.com
10.youmint.com
11.bollywoodmotion.com
