iOS: We've seen Dropbox-syncing text editors (like PlainText) before but Nebulous Notes takes on more than just journaling and note-taking by also offering features geared towards developers.
What's It Do?
Nebulous Notes is one of the many apps for iOS that lets you type plain text notes on your device. It also syncs with Dropbox, has themes, supports TextExpander, and offers a number of helpful features to try and set it apart from the pack.
Who's It For?
Developers! Developers! Developers! Seriously. While it's a perfectly good notes app for any other purpose, it provides an enhanced keyboard with keys like tab, brackets, etc, to make writing and editing code on your iOS device easier.
What's the Bottom Line?
If you're looking to write code and sync it with Dropbox, this is for you. If you're just looking to sync text notes to Dropbox, you might like it too. The lite version is free so you can try it out and see if you like it, or pay $2.49 for the full version.