1. Git trackerSome simple tricks that make working with Pivotal Tracker even better... and easier... um, besier!
2. dumb delegatorDelegator and SimpleDelegator in Ruby's stdlib are useful, but they pull in most of Kernel. This is not appropriate for many uses; for instance, delegation to Rails models.
3. configholy cow, wholly config! Vim, Zshell, Ack, & the rest of my dot-files.