Simple Notes by AngkorWorld VS Bamboo Paper

Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.

xournal - Lightweight notetaking and sketching app.

TopXNotes - TopXNotes is a personal notes and information organizing tool that you can use on iOS or Mac OS.

GoodNotes - GoodNotes lets you take notes and annotate PDF documents.

FastNote - FastNote app allows users to create notes in order to manage all their daily tasks without much of a stretch.

Stylus Labs Write - Write is a word processor for handwriting, designed primarily for tablets with an active stylus.