Wonderful resource by Jeff Biggus containing 3000+ links covering pretty much any iOS or Mac OS X development topic you could think of! The feature I liked most about this page is that the articles are ordered by publish date which is essential for getting an idea of how relevant the content is going to be.
This Mustache style Objective-C templating library Dave Gurnell and Chris Ross looks to be a simple way to add templating support to your app.
These frameworks have been around forever but I came across a link to them again this week and realised I had not linked to them here before. So much code!
Interesting find by Pete Steinberger.