To Do List & Notes VS Simple Notes by AngkorWorld

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.

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.

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

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

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