Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
Pystickynote - Stickynotes for your desktop easily from the command line.
Indicator Stickynotes - Floating colourful sticky note windows on your desktop!
TopXNotes - TopXNotes is a personal notes and information organizing tool that you can use on iOS or Mac OS.
AltarSoft Sticky Notes Manager - AltarSoft Sticky Notes Manager is an electronic or digital sticky note making application to add the simple sticky notes on the desktop about the important tasks and events and getting in touch with them all the time.
Voice Notes - Voice notes come up with features to help you in keeping track of all your daily life activities and tasks by creating notes without much of a stretch.