1)   M.W. SMS Sender 1.0
M.W. SMS Sender is 100% free software This software allows sending SMS messages of up to 800 characters. You can send your SMS to one or more destination, personalize the SMS sender name or number and to easily create and manage your contact lists..

 2)   AGLAYA SMS Planner 2.0
Easy to use yet powerful application lets you send SMS to a group or individual at a scheduled time. This application comes with an in-built SMS editor that can be used to send SMS or save SMS as drafts for later editing.

 3)   SMS Planner (UIQ) 2.0
This first of its kind solution for mobile industry now gives end users the ability to send timed messages to several users. Easy to use yet powerful application lets you send SMS to a group or individual at a scheduled time.