WowAce

Addon to provide a much nicer map

Shows where the equipment of inspected users or yourself is from.

A replacement tradeskill window for Classic

Bind spells, items, and macros to keys, without using action buttons

Various libraries based on LCD4Linux, offering users lower-level UI customizations.

FuBar_VampwatchFu

A library to help with localization of item types and subtypes.

AceBuffGroups

Tracks the current Fear Ward's in the raid or party.

Creates simple table controls for tabular text data.

PvE Status Frames

TabletLib

TuiRaidTracker

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

Compact & customizable filtering, monitoring and grouping of buffs and debuffs

An auction house AddOn to make the life of each fence easier.

Litmus

A library to track nameplates.

Allows you to preview weapon glow in Dressing Room.

Open those pesky lockboxes