Pystickynote - Stickynotes for your desktop easily from the command line.
Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
Notezilla - Colorful & powerful sticky notes app for Windows & Phones.
KingSumo - Grow your audience with viral giveaways that cut marketing costs
Memo HD - Memo HD is a simple stickers application that let you store your notes with password.
Vov Sticky Notes - Add digital stickers to your desktop and create reminders for your upcoming events, tasks or meetings using this intuitive software.