WowAce

Creates and manages secure Action Buttons

Improved Questing Experience

Simple and Advanced combined - Bartender4 ActionBar AddOn

Timer bars with that extra sweetness.

Embeddable chat throttling library with traffic shaping and priorities

Provides a quick display for the LFG Call to Arms

A friendly companion that remembers the chat.

Broker plugin to display player orientation

Estimated range display. Type /rangedisplay for config

Displays the remaing cooldown of the action you tried to use

Prompts for canceling of pet battles if no rare pet is found in the opposing team.

UIFrameFlash to Animation conversion library for Floating Chat Frame functions.

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

Simple AceGUI3 dropdown item classes for font/statusbar/sound/etc.

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

A library for transmitting and receiving latency information of players.

Library that handles chat output.

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

Provides access to all Portal and Teleport spells on right click of one button.

Display Cooldown Count of Spell Icon and Item