Online Notepad is a browser based plain text editor with autosave functionality. It provides a more convenient way of writing down notes on the go.
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.
Shrib - Take notes online. 'Free and no login' or 'privacy and productivity': super simple, with publishing and markdown, share to all devices.
aNotepad - anotepad.com is an online text editor that you can write notes and anotepad also has great stability
FileNotepad - A free online file plus notepad allows you to create any text or notes in your web browser.
notepad.pw - notepad.pw is a online notepad which allows you to save your text in the cloud with features like
Simplenote - The simplest way to keep notes. Light, clean, and free. Simplenote is now available for iOS, Android, Mac, and the web.