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.

Notezilla - Colorful & powerful sticky notes app for Windows & Phones.

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.

Memo HD - Memo HD is a simple stickers application that let you store your notes with password.

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