Tools
Bespin
Editor accessible from anywhere, provides collaboration functionality, syntax highlighting, programmable. Looks interesting, haven't really used it for anything yet. Handy tip: Use Ctrl-J as the shortcut to skip from the editor window to the command line. https://bespin.mozilla.com/
VisionApp
Great way to manage multiple Remote Desktop windows and store credentials. The free version allows 3 connections to be open at the same time. I'm using Version 6.5.