Cut through the crap, when it comes to Mac OS X apps! I've spent time talking to friends, and testing out applications. These are my favorites. I don't post everything; on the contrary, I put up only the best of breed. You won't find any junk here, other than maybe my design.
Suggest a KILLER app.

Text Editors

#{app.name}
TextMate
Hesitated to jump on board with this, but bought it after giving it a shot for a month. This text editor is attractive, lets you edit a collection of files at once, and has nice looking themes that are aware of your content. Additionally, what makes this