WowAce

OneBank3 will combine all the bank bags into one frame.

Compact rune and proc display for Death Knights.

Show item durability and quality in the character frame.

ItemBonusLib

Angry Raid Points

Keeps track of performance of memory, latency, and framerate.

Allows the user to preview and track their progress in the collection of various transmogrification appearance sets

Kaliban's Class Loot List Star Display

A replacement tradeskill window for Classic

Loudmouth

FuBar_AnkhTimerFu

cyCircled

Role playing AddOn that shows extra information about characters as entered by the player.

Keeps track of current money and all your characters on one realm.

DaHud

Raid Frames using the oUF framework.

Shows skills in a tooltip and allows them to be used.

Henge

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

Deathknight Rune Display