WowAce

Display an arrow that points to a raid/party member anchored to raid frames

Displays a reliable cooldown timer for the Shaman Ascendance ability

MoBuffs

Uses guild notes to add alts' main names to chat windows and other places

"Shows Call To Arms status in an LDB data provider."

Talismonger-3.0

LDB data source displaying character stats

Monitors AP when dots are applied, clearly showing current vs applied AP levels.

A simple data broker display for current Artifact Power

DHUD2

Adds indicators to the sides of Grid frames.

Sanity2

Heal and decurse by clicking on customizable raid/party unit frames

Fires events whenever a raid member "fails".

Captures chatframe Tradeskill Links for later reference in an easy to read format

Data broker for keeping track of your Ankh cooldown.

Bars showing amount of buffstacks

Communicates with guild members for their positions on the world map

CBRipoff

A Perl layout with oUF.