WowAce

Allows the user to customize the the tooltip with lua-scripts

Calculates incoming damage avoidance and mitigation

IFrameManager

Reminds you if your flask/elixir and/or Augmentation Rune and/orfood buff is about to expire or has expired

Allows for easy congratulating when someone earns an achievement.

A customizable casting bar replacement for TBC Classic & Classic WoW

Outdated! Please use 'XLoot', available on Curse and WoWI

Tooltip of socials button will now show which friends are online

EnchantList

Provides training reminders to help decipher the Blizzard Spell Alerts.

Customizing your buff display

A Library for stat conversion, calculation and summarization.

FuBar_BattlegroundFu

Note + rep tracking for players, with guild data sharing.

Depot

provides enchanters with a decent tool for managing their profession

Fancy up the PlayerPowerBarAlt frame

Gives detailed descriptions of particular localities, as zones or instances, and provides optional TomTom integration.

Fixes strata bugs in UI windows

Avion