WowAce

Modular, lightweight, non-intrusive approach to boss timers and boss warnings. The efficiently coded alternative to Deadly Boss Mods (DBM) for spell & ability timers.

Tracks rare drops, including companions and mounts

Scan for rare mobs so you can find them and their loot

A modular, lightweight and screen-estate saving grid of party/raid unit frames

Chat addon, filtering messages and UI changes

Display normal chat message as "raid warning"

Redirect character errors, system messages and information messages.

Shows timers and menus for totems, ankh, shield and weapon enchants

Ketho's Combat Log

Dynamic bars with buttons that automatically add potions, water, food and other items you specify into a button for use. Does...

WoW Cataclysm Classic and Classic Era Quest / Achievement Tracker | supported Questie and ElvUI / Tukui

Automatically turns on the combat log for selected instances

WoW Quest / World Quest / Achievement Tracker | supported Masque, PetTracker, TomTom and ElvUI / Tukui

QuestLog

Easy Spell Announcements! Amongst other things.

Parrot 2

Adds unreal tournament style sounds to PvP encounters.

Entertaining kill-shot notification.

Improved Questing Experience

Ketho's Instance Timer