WowAce

Database of item upgrade IDs

Does stuff for sachmo

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

Replacement for ActionButton_Show/HideOverlayGlow APIs

An intuitive keybindings library.

A library to help with localization of the output of UnitCreatureType.

Creates and manages secure Action Buttons

A library to help with localization of in-game subzone names.

Provides one or many frames for dumping text into.

A library to help with localization of races.

Shared handling of alternate identity data between addons.

Replacement for the default UI's StaticPopup dialogs.

A skinning engine for button-based add-ons.

A library to help with localization of bosses.

Library of compressed itemid sets.

Custom widgets for AceGUI-3.0 and AceConfigDialog-3.0.

A library to determine estimated range.

Dropdown library for Ace3 options, extensible to other options formats. Works ok.

A library to help with localization of in-game item sets.

A library to help with localization of factions.