An interesting new prototyping application. HT @toddsieling
os_x
Plex
Plex is a beautiful OS X-based media center that seamlessly pulls content from your iTunes, iPhoto and Aperture libraries in real time, has plugins to included additional content sources like Netflix and Hulu. Plex will also import metadata for the music and movies in your library,
The inclusion of iOS apps enables streaming to iPhone, iPads and iPod Touches and allows those same devices to act as remotes for the media server.
Gitbox
"a Mac OS X graphical interface for Git version control system. In a single window you see branches, history and working directory status."
Change Case Service
A handy OS X Service that makes it easy to convert text to all caps, all lowercase, camel case, word case and sentence case.
30 Fantastic Geeky Tricks to Get The Most From Your Mac
There are some nice tips in here, even for those of us who've read and/or written dozens of similar posts.
TotalFinder
A very useful utility to add tabs to the Finder in addition to other tweaks like listing folders above files in the file lists.