WowAce

Displays item durability and repair cost.

Provides a quick display for the LFG Call to Arms

Keeps track of group members and keeps an up-to-date cache of their specialization and talents.

Compact rune and proc display for Death Knights.

Core module for Loot and Looting-related UI improvements

Create panels for customizing your UI, sucessor to eePanels

Dog-themed unit frames. Woof. Arf. Yip.

Gives equipped and overall iLvl to indicate the quality of a character's gear.

PvE Status Frames

Utility library with shared functions and data for various addons by NeoTron.

Keeps track of time played and rested XP across your characters.

Smooth combat HUD based on ArcHUD2

Display bag usage on each of your bag slots.

Bulk mail sending made really easy

A fancy LDB reputation display, show faction reputation and reputation change history

Bulk mail reception made really easy

A bin for all your LibDataBroker buttons

Automated smart raid marking to speed up trash clearing in instance runs

Library handling communcation for Magic* addons

Simple library that handles multiple levels of logging.