attenzoSMS is a free application that allows you to send bulk SMS to mobile numbers in more than 200 countries. It provides integration with Facebook and Twitter and allows you to sms content from your networks, like pictures and status updates.
This software is not reviewed yet.
Livetube player,originally created for Livetube.fm DJs, allows you to make bulk queries to YouTube & Last.fm, share videos to Facebook/Twitter, access Youtube playlists, watch videos in fullscreen. If you feel ready you can also become a DJ yourself!