WowAce

Displays an estimated time until you're out of mana

PowerDisplay

MobHealth3_BlizzardFrames

Map and mini-map class colors with combat indicator

A bar for all diminishing returns. Maybe nice for Arena, but intended for the third boss of Trial of the Crusader

Spell interrupt aid and announcement addon.

Shows the number of battle resurrections you have and when the next one will become available during a boss encounter.

FuBar_AssistFu

Customizable text display of character's power.

Resolve module for Broker displays.

Disables the "Release Spirit" Button for a short time when you have a soulstone

Rawrkitty

Automatically swaps between weapons and lances.

Displays a table for possible outcomes of incoming hits with their probability

GetDKP_AutoPost

LDB broker for group interrupts

Thok Cooldown Rotation

Displays the internal cooldown of Eclipse as a ClassTimer bar

Expiration

MAcon