OhNotes was a solution to a problem I was trying to solve in college; namely, I wanted to be able to access and change any little notes I had for myself from whatever device I was using. At that time Evernote and OneNote were either not around or not capable of doing all of that yet, and smartphones were not as ubiquitous as they are now (I was using a dinky LG enV to access the “internet”, which I use with quotes because it couldn’t handle half the stuff a normal browser could support).
I’ve since long moved on from using this app, but you might still find it useful. It doesn’t receive any updates though, so use at your own risk.
Check it out at http://www.ohnotes.com