MetaMoJi Note - Note Anytime is a universal sketching tool and free note taker free for iPad, iPhone, iPad Touch, Android tablets and smartphones and Windows 8 (Metro and RT).
GoodNotes - GoodNotes lets you take notes and annotate PDF documents.
FiiNote - FiiNote is the most convenient note app for android.
Stylus Labs Write - Write is a word processor for handwriting, designed primarily for tablets with an active stylus.
inkBook - Write notes by hand with inkBook 2 using tablet and InkWell handwriting recognition technology.
iSpring QuizMaker - iSpring Quiz Maker is easy-to-use quiz software. Create interactive quizzes and surveys in HTML5 & Flash and embed them in a website or publish for any LMS!