I've updated my Cocoa SQLite wrappers "FMDB" with some patches from Brian Stern. Bug fixes, a little bit o' memory saving, and you can now bind null values in updates and selects.
I thought I'd also mention that I've got a class named "FMWebDAVRequest.m", which as you might guess from the name, is used for making various WebDAV requests to a server. It's not complete, but it does what I need.
Go Obama!