WowAce

Compression and Decompression library

Grabs bugs for the bug sack.

Toss those bugs inna sack.

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

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

Does stuff for sachmo

Provides one or many frames for dumping text into.

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

OneCore is the centralized code shared between the OneBag Suite

Parses ToC and adds About panel to Interface options

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

Ironi's Encounter Event Tracker

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

Show what quests have changed

Tracks SendAddonMessage Spam

PT3Browser

Creates parameterized AceGUI-3.0 editboxes with autocompletion

A library to help with localization of Archeology dig sites

A variant of AceGUI's Frame container with an editable input field

SysMon plugin for any DataBroker display.