Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
GoodNotes - GoodNotes lets you take notes and annotate PDF documents.
Scrawl - Scrawl is a notes taking and memo app that lets you keep track of the things that are important for you, like daily routine tasks, projects, reminders, calculations, or accountability of someone.
xournal - Lightweight notetaking and sketching app.
Voice Notes - Voice notes come up with features to help you in keeping track of all your daily life activities and tasks by creating notes without much of a stretch.
Stylus Labs Write - Write is a word processor for handwriting, designed primarily for tablets with an active stylus.