nvALT lays somewhere between text editor and note-taking app; it's a free-to-use Mac app for web-heads.
The app is a fork of the open-source app Notational Velocity, an application designed to let you write notes on your computer. The idea is to let nvALT be the receptacle of whatever fragments of information you want to write down so that you can easily find them later.
Full story from the iMore Blog...