AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.
SendSMSnow - SendSMSnow is one of the best services over the internet that lets the users to send free SMS in any part of the world in addition to India.
Pushbullet - Pushbullet - Your devices working better together
AFreeSMS - AFreeSMS is a free web-based service that allows you to send unlimited free SMS messages online, no need to register, just type your message and send unlimited SMS to anywhere around the world for free.
AirMore - AirMore is a cross-platform toolset that can help you manage any Android device wirelessly.
FreeSMS8 - FreeSMS8 is one of the best SMS sending websites that allow the Indian phone users to send free SMS to any mobile network operating in India.