Thanks for these applications. Great post!
In business/productivity app, Id like to recommend a great one which integrated an interesting concept; saving time from your notes. This app, Beesy, generates automatically ToDo lists from a smart note taking. Also, the advantage is you can easily generate professional minutes from your notes and send them by email. Besides, you can browse your ToDo by actions,projects or people. You save a lot of time at meetings.
I strongly recommend Beesy for people which often have meetings and want to appreciate them again
http://www.beesapps.com/beesy-ipad-to-do/