Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.

TopXNotes - TopXNotes is a personal notes and information organizing tool that you can use on iOS or Mac OS.

Pystickynote - Stickynotes for your desktop easily from the command line.

FastNote - FastNote app allows users to create notes in order to manage all their daily tasks without much of a stretch.

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.

Indicator Stickynotes - Floating colourful sticky note windows on your desktop!