Microsoft Sticky Notes - A brand new Sticky Notes for Windows has arrived!
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.
Xpad - Xpad is a sticky note application for jotting down things to remember.
Boostnote - Boostnote is an open-source note-taking app.
Vov Sticky Notes - Add digital stickers to your desktop and create reminders for your upcoming events, tasks or meetings using this intuitive software.
Standard Notes - A safe place for your notes, thoughts, and life's work