Nowadays, many mobile operators also provide free text message service upto a certain limit. There have long been many websites over the internet that provides free messaging service. E.g. way2sms.com, 160by2.com, freesms.net, site2sms.com etc.
Way2SMS.com is the world largest personal messaging community which was launched in December, 2006. People around 130 countries use this website to send SMS through their cell phones to their loved ones. Through this website users can send free SMS to any mobile.
Textmefree.com is an ultimate website where you can send unlimited message for free. There are various free text messaging services provided by this website like free text messaging site, bulk SMS marketing services, SMS poems, funny text messages, funny text messages and text message abbreviations.
But one should be cautious over sending sensitive messages over these services as they can be leaked.