Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
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.
Notezilla - Colorful & powerful sticky notes app for Windows & Phones.
Pystickynote - Stickynotes for your desktop easily from the command line.
Microsoft Sticky Notes - A brand new Sticky Notes for Windows has arrived!
TopXNotes - TopXNotes is a personal notes and information organizing tool that you can use on iOS or Mac OS.