WowAce

Assist you with faction transfers letting you know which mounts, spells, etc you have and what they will be swapped to.

A helper addon for the achievements "Let It Snow", "Fistful of Love", "Shake Your Bunny-Maker", "Check Your Head", and "Turkey Lurkey"

Keeps track of honor, PvP statistics, BG Marks, and Arena points.

EnhancedLFG

FuBar_TinyPadFu

Communicates with guild members for their positions on the world map

GatherHud for GatherMate2 with Routes support

Right-click on minimap blips to open a targeting menu (out of combat).

TrackingInfo

JostleLib

Simple, light-weight, LDB-enabled timer that tracks how long you spend in combat

Keeps a list of all items you want and shows how much you need.

Shows a countdown bar for the duration of auras (e.g. HoTs, DoTs)

Minimap tweaking module for TweakHub.

Provides a library for accessing auction data and pricing from various Auction Data mods

Voyeur

Shows at-a-glance what raid buffs/debuffs you have.

Library to provide non-explicit cooldown tracking and callbacks.

Adds information to Titan Panel about your Professions and opens ProfessionsBook

Fubar Plugin for Simple Soulstone