WowAce

Tracks, transmits and displays the cooldowns of your raid.

A library to help with localization of Zones.

Unit frame addon using Ace3.

A replacement tradeskill window for Classic

Wowhead Data dump for GatherMate

Provides quick access to information on your group and their equipment, enchant and gem choices.

Plays sound when a ready check, LFG queue, battleground queue, or world battleground queue pops even if you have sounds turne...

FuBar_FuXPFu

Track of your tradeskills across characters, create small buttons for them and track cooldowns.

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

Displays the locations of the chests for the Treasure, Treasure Everywhere achievement

Displays item durability and repair cost.

An auction house AddOn to make the life of each fence easier.

Libra

Helper functions used by my addons, feel free to use them in your addon too

Death analysis tool

Raid Frames using the oUF framework.

Auto and random summon highly customizable for your pets and mounts, with Data Broker support.

Allows tradeskill usage by clicking items or reagents.

Better quest log and tracker