WowAce

Friends list improvements: notes, remembering the information of offline friends, friend list syncing and backups, and a fuba...

Auto and random summon highly customizable for your pets and mounts, with Data Broker support.

Tracks vulnerability debuffs on multiple mobs

Easily mail friends, guild members, alts and others

Babble-2.2

Raid Frames using the oUF framework.

Allows tradeskill usage by clicking items or reagents.

Adds custom effects to your cursor.

Tracks SendAddonMessage Spam

Regain that wasted space!

Incoming Heals

Mutt (Macro Update Target Tool) provides slash-commands that can patch the predefined targets in your macros.

Display an informational fighter jet style HUD while flying or riding

Automatically and immediately cancels all in-game cinematics and movies

Threat-2.0

Adds two icon indicators to each corner (total: 8 icon indicators).

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

FlexBar2

AVR Encounters

A library to track nameplates.