ForeverSMS is a free web based service that allows you to send text messages to any mobile in the US right from the comfort of your web browser. To start sending the messages, enter your email address, recipient phone number, recipient wireless provider (optional), your message, check ‘Agree to TOS’ checkbox and click ‘Send Message’ button. Your message would be delivered instantly. In case you don’t know the recipient wireless provider, don’t worry. The service has the facility to auto detect the wireless provider.

Other features include, iGoogle gadget to send SMS’s right from your iGoogle homepage. Also, you have the facility to block a number, if someone misuse this service to send you repeated unsolicited SMS’s.

Check out ForeverSMS