Microsoft Sticky Notes - A brand new Sticky Notes for Windows has arrived!
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
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.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.