Notezilla - Colorful & powerful sticky notes app for Windows & Phones.
Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.
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.
GitHub Gist - Gist is a simple way to share snippets and pastes with others.
Pystickynote - Stickynotes for your desktop easily from the command line.