Microsoft Sticky Notes - A brand new Sticky Notes for Windows has arrived!
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
Xpad - Xpad is a sticky note application for jotting down things to remember.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Vov Sticky Notes - Add digital stickers to your desktop and create reminders for your upcoming events, tasks or meetings using this intuitive software.
Turtl - The secure, collaborative notebook