WowAce

Automatic Refilling of User Defined Items

Tracks skill and tradeskill costs and progressions, as well as trainer locations.

FuBar_OutfitterFu

lern2count adds ABinfo castcounts to spell and actions. It has a builtin reagentcount too.

RaidSpy

Displays online friends.

DeuceCommander

OneBag

RicoMiniMap

Nihilum Raid Tracker, originally written for the EU guild Nihilum.

Quickly see what counter-combinations your epic followers cover and which ones are likely to get a new combination when rerol...

Nvp

FuBar_ItemDBFu

Track of your tradeskills across characters, create small buttons for them and track cooldowns.

SurgeonGeneral

tekProber

Hemlock

Attach diminishing return icons to unit frames.

Says random things in chat when casting any spell or ability. Type "/ss help" for the user's manual.

FuBar_uGuild