WowAce

AddOn development framework

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

Tooltip scanning library.

tekKonfig

A library to help with localization of talent trees.

Adds an addon manager in game via the 'Addons' menu. Special support for multi-part addons. Based on rMCP by Rophy.

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

Library providing mouse-click support for LibQTip-1.0.

GratuityLib

Creates and manages secure Action Buttons

A library to provide information about zones and instances.

Dropin replacement library for SetBackDrop

Library to handle and store information about frame that are possible targets to anchor other frames to.

LibGUIFactory-1.0

A library to help with localization of item types and subtypes.

A library allowing for easy creation of graphs

A library to provide a clean dropdown menu interface.

A library to help with localization of Zones.

TabletLib

LibFuBarPlugin-3.0