WowAce

Compression and Decompression library

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

Grabs bugs for the bug sack.

Toss those bugs inna sack.

Provides one or many frames for dumping text into.

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

Library providing mappings between trade skill recipes, spells and created items

Parses ToC and adds About panel to Interface options

Makes the Blizzard options frame movable and resizable

Creates simple table controls for tabular text data.

A simple slash-command-based addon for querying item information from the Blizzard servers via ItemIDs and SpellIDs.

Show what quests have changed

OneCore is the centralized code shared between the OneBag Suite

Does stuff for sachmo

Tracks SendAddonMessage Spam

Mutt (Macro Update Target Tool) provides slash-commands that can patch the predefined targets in your macros.

Ironi's Encounter Event Tracker

PT3Browser

SysMon plugin for any DataBroker display.

A popup menu containing user-programmable scripts.