Hobo signs - I need to figure out the 'sing loudly outside this window at 5am for months' symbol and erase it from my building.
Why publishing your email hash is not a good idea - Something that occurred to me recently after a conversation with a friend: dictionary attacks on Gravatar hashes are painfully simple.
Conduit - ObjC<>JS communication is one of those needlessly awful experiences that's made immensely less painful with a solid framework. I haven't used Conduit in anger, but it looks like a much cleaner version of the hacky code we're currently using for Jetpac.
Cole Rise - Beautiful photos, and in my neighborhood.
Nexus - A framework for building admin panels in Python. I need something like this, but in Ruby. Sad but true.