Adobe presentation: apps developed to work with Adobe
finetune (like Pandora but incorporates local stuff - like iTunes music, but seems to be avaiable only to USA residents)
klok (check widget on sidebar)
mooflair videos online and offline
Balsamiq Mock-up (tried to play with this one and they only let you use it for free for 5 (!!!!) minutes on the clock, jesus!)
(these do not seem to be free also)
communication is essential to business making and it involves more than the ability to name your product, write a tag line or a press release. It's an intricate, rational and scalable effort and, let's face it, not anyone can do it.