WowAce

Target assistance by automatic rewriting of macros

Muffin

Enables you to save multiple talent configurations

MultiTips

Tools for MultiBoxers or Group questing/leveling

Mutes Annoying Sounds

Mute all sounds except boss emotes and addon sounds

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

Collect data about you myth+ challenges

Complete Replacement for Inventory and Bank Bags.

Rewrite myBindings. An enhanced key bindings interface.

Don't underestimate your little critters!

MyQuest

Simple Data Broker object showing your currently assigned role.

Tells you who bought your auctions.

Myslot is for transferring settings between accounts. Feedback [email protected]

MyStatus

NabuFiveSec

Shows class colors on player nameplates and names

NamePlateGrid sorts visible nameplates to a neat(-ish) grid.