WowAce

Hook extra menu to friend list, guild list and chat player

Client for MagicDKP which handles standby calls and bidding on items.

Simple and rich Death Knight rune customizations

Friends & Guild Data Broker plugin.

TextSpy

Makes those pesky garrison animations go away.

Adds on-screen buttons for the farming tools and seeds.

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

Shows a circle on the minimap to indicate spell range

DarkCandy

Database of Mailbox locations for HandyNotes

QR Code builder library

LibDataBroker plugin showing some random XP related data

Tracks your keystones

Provides quick notification (sound and visual) of your tanking status of your current target. Meant for tanking.

Interface-central mount management

DeuceCommander

Automatically sells low quality gray items and selected white items to the vendor.

Simple, nice-looking power bar addon for all classes.

mDarkPact