attenzoSMS allows you to send single or bulk SMS to any mobile number in more than 200 countries. You can send messages using your own name or number as the "sender id". It supports scheduling, preparation and saving of messages for later sending, support for Facebook and Twitter, easy organization of contacts, support for importing contacts from various sources, a rich user interface with real-time search filters and drag and drop support, a customizable appearance, and full reporting on your message's status and charging.
Livetube player, originally created for Livetube.fm DJs, allows you to make bulk queries to YouTube and Last.fm, share videos to Facebook/Twitter, access Youtube playlists, and watch videos in fullscreen. If you feel ready, you can also become a DJ yourself with your own live event.