TakeNote lets you write and organise your ideas, course notes, drawing, sketches into one easy to use application.
It contains a fully featured word processor, and also gives you the ability to draw free hand on theses notes, letting you sketch ideas or annotations directly in your notes.
You can export these notes as a PDF file, so you can print and share all your notes.
It also contains speech so you can dictate to TakeNote, it also will read your notes for you.