I use quicksilver to launch things exclusively and the Dock is pretty much useless, I hate it that the running apps have to show their icons in the Dock without having to manually edit the app package. Now this does it for you easily, brilliant!
FoggyNoggin Software :: Dock Dodger
Sometimes, you find an application that you really, really like, but when you run it, the icon takes up valuable space in your Dock. With Dock Dodger, you can rid almost any application of its Dock icon, giving you your Dock back.
With Dock Doger, removing the Dock icon is as easy as Drag and Drop. Simply drag in the application you want to Un-Dock and Dock Dodger takes care of the rest. When you re-launch that application, it will be sans Dock icon. Want the Dock icon back? Just re-drag the application into Dock Dodger and everything’s back to normal.
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gotta say i dont quite understand this. i dont have apps in my dock save when they are running. how valuable could the dock space be that you dont even want that icon? though i’m not one of those ppl who have 9384204 apps running at the same time