WowAce

LiteStep skins for Masque.

Onyx skins for Masque.

Serenity skins for Masque.

Simple and Advanced combined - Bartender4 ActionBar AddOn

Creates and manages secure Action Buttons

Replacement for ActionButton_Show/HideOverlayGlow APIs

Displays additional information for Mythic Keystone dungeons

Automatically leaves the global channels when inside an instance/raid and restores them when exited.

Makes the default frames moveable via simple drag and drop

Displays information about the current zone on the World Map, for WoW TBC Classic

Good old LibTourist-3.0 for WoW Classic Mists of Pandaria

Inventory Management with virtual bags divided into sections.

AddOn development framework

Wowhead Data dump for GatherMate2

A friendly companion that remembers the chat.

Mutes various chat related annoyances while in capital cities and instances.

Changes the look of the default UI

Automatically turns on the combat log for selected raid and mythic+ instances.

A library to provide unit-oriented tags to LibDogTag-3.0

A library to provide a markup syntax