WowAce

Bayi's Extended Questlog

Aloft

QuestLog

Where the lore is at

Am I locked out? - Displays all RaidIDs for all chars

Item stat breakdown, analysis and comparison

Food/water macro generator

One large inventory.

A simple combat log that displays events similar to SCT

Assessment

Displays the remaing cooldown of the action you tried to use

Adds custom effects to your cursor.

Cleans up minimap buttons and makes them accessible through a pop out menu!

Display auras on action buttons.

Archaeology Assistant

Minimap addon of awesomeness. *chewing sound*. It'll nibble your hay pellets.

Configurable Castbars

Numerical and graphical display of Combo Points and similar buffs/debuffs. Also tracks Holy Power and Soul Shards.

Floating Combat Text of awesomeness. Caw. It'll eat your crackers.

A customizable casting bar replacement for TBC Classic & Classic WoW