Simplenote

Simplenote is an easy way to keep notes, lists, ideas, and more. Your notes stay in sync with all of your devices for free. The Simplenote experience is all about speed and efficiency. Open it, write some thoughts, and you're done. As your collection of notes grows, you can search them instantly and keep them organized with tags and pins. You can also format your notes using Markdown. The best way to learn about Simplenote is to try it.