WowAce

Adds World Quests to the quest list

Questing minion

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

Provides quick access to information on your group and their equipment, enchant and gem choices.

Keeps track of quests.

Show what quests have changed

AutoMagicly clicks though Daily Quests, and Turns them In.

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

Show vignette icons sooner

tracks and share quests between your party

A Collection of Automations and Interface Tweaks.

Switch macro depending on zones or BigWigs boss modules.

Should I send that recipe to my alt?

QuestAnnouncer

Keeps track of time played and rested XP across your characters.

Simple quest item bar.

Better quest log and tracker

quick quest turnin and acceptance with a shared keybind

Pins on the World Map for quests you have not completed yet

FuBar_MonkeyQuestFu