Textpander
With which one can insert standard text snippets (and even rearrange the cursor afterward) without typing much.
I've no idea why it's taken me this long to try out Textpander. It's great.
Servicescrubber
With which one can clean up the Services menu, disable services, or change keyboard shortcuts.
Pretty nice, except that this can muck up your Quicksilver actions. Servicescrubber didn't seem to interfere with Quicksilver's use of some services for its actions, until I restarted the latter, at which point its menu didn't include those services anymore. I reënabled one of the two TextEdit services, and tried restarted QS again. It still didn't show the TextEdit service in its menu, until I reënabled both the TextEdit services. I'd only through this process discovered TextEdit's "new window containing selection" service, so I've added both of them back so I can play with that. I wish there were a way to disable only the menu-view of certain services.