1. JotNot - handy for taking pics of docs or whiteboards, crop the pics and save to PDF

2. Meetup - keep track of tech meetups

3. Colloquy - IRC client (paid)

4. Prompt - ssh client (paid)

5. SugarSync - similar to Dropbox. I used Dropbox originally but grew concerned about its security robustness.

6. SimpleGeo - location app with geo/political stats and visual indicators for nearby businesses