Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
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.
7 Sticky Notes - Welcome to the 7 Sticky Notes Website! 7 Sticky Notes is a cool 100% free desktop notes software that creates Sticky Notes directly at the Desktop of your computer to help you organizing your everyday tasks and to-do lists.
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.
Simple Sticky Notes - Sticky notes have long served a great purpose. Hang them around the home or office and be instantly reminded of important items in your personal or professional life... read more.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.