WowAce

Adirelle's unit frames, based on haste's oUF.

manipulate the minimap in numerous ways; move, scale, skin.

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

Database of Diminishing return categories and general data

Regain that wasted space!

Tracks the HoTs you cast.

Sphere

DaHud

Marks the locations of Hallow's End candy buckets on the worldmap and minimap.

MendWatch

tracks and share quests between your party

Cartographer_Routes

Keeps track of your top hits, heals, criticals, etc.

Display auras on action buttons.

A fancy LDB reputation display, show faction reputation and reputation change history

Show item durability and quality in the character frame.

Adds custom effects to your cursor.

Keeps account of attendance and loot for raids, parties, bgs, arenas and solo for questing.

Co-ordinated targetless Party and Raid wipe recovery. Evolved

QuestLog