WowAce

Allows addons to easily create a lightweight minimap icon as an alternative to heavier LDB displays.

A powerful, comprehensive utilty for displaying graphics and information based on buffs, debuffs, and other triggers.

Shared handling of media data (fonts, sounds, textures, ...) between addons.

AddOn development framework

Universal Library Stub

Callback handling Library, normally embedded inside other libraries

Toss those bugs inna sack.

Grabs bugs for the bug sack.

Handy notes for your maps

A library for transmitting and receiving durability information of players in your group.

Postal: Enhanced Mailbox support

Compression and Decompression library

Simple and Advanced combined - Bartender4 ActionBar AddOn

HereBeDragons is a data API for the World of Warcraft mapping system

UIFrameFlash to Animation conversion library for Floating Chat Frame functions.

Afflictions display and cleaning for solo, group and raid with advanced filtering and priority system.

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

Tracks rare drops, including companions and mounts

LibDataBroker-1.1

Timer bars with that extra sweetness.