WowAce

FlexBar2

Entropy skins for Masque.

Show buffs on nameplates.

Bulk mail reception made really easy

mount and companion manager

SRA

Provides one or many informational windows with optional interactive widgets.

Shows simple Buttons for your Cooldowns :)

Keeps track of quests.

Remember locations that city guards direct you to for HandyNotes

GrindStatus

Display Cooldown Count of Spell Icon and Item

Shows skills in a tooltip and allow them to be used. Also keeps track of Cooldowns.

Collects Herbs, Mines, Gas Clouds and Fishing locations and adds them to the worldmap and minimap

XRS

Shows skills in a tooltip and allows them to be used.

Automated smart raid marking to speed up trash clearing in instance runs

Database of Diminishing return categories and general data

Database of item upgrade IDs

Checks your gear before bosses and yells at you if you're an idiot