WowAce

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An Atlas Plugin that displays arena maps.

Add-on that shows which mounts can be farmed this week

A Simple World of Warcraft Spam Filter!

Displays Instance Maps

A lightweight addon that does something.

Cooking data for Ackis Recipe List.

Keeps track of your current location.

Broker plugin to display player orientation

A FuBar plugin for Converge Guild Officers.

CT_RaidAssist style raid frames

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

Displays online guild mates.

Deathknight Rune Display

ArcHUD2

A replacement tradeskill window for Classic

Mutt (Macro Update Target Tool) provides slash-commands that can patch the predefined targets in your macros.

Tooltip of awesomeness. Moo. It'll graze your pasture.

Violation

Display aura information inside action buttons