WowAce

Changes the look of the default UI

Inventory Management with virtual bags divided into sections.

Addon to manipulate the map

Replacement for ActionButton_Show/HideOverlayGlow APIs

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

StarTip (Tooltips from Outerspace)

Creates and manages secure Action Buttons

Inserts some media into LibSharedMedia's storage.

An intuitive keybindings library.

Library to check whether an item is equipable / appropriate for a given class

Adds a Button to the Worldmap which toggle Handynotes

Library of compressed itemid sets.

Floating Combat Text of awesomeness. Caw. It'll eat your crackers.

A replacement tradeskill window

Deus Vox Encounters

Adirelle's bag addon.

Wowhead Data dump for GatherMate2

Aloft

Collectinator is an addon which will scan your pets and mounts and provide information on how to obtain them.

A library to help with localization of bosses.