WowAce

Tells you the Tiller, what food they like, and if you have fed them today for the quests A Dish for ...

Allows tradeskill usage by clicking items or reagents.

Klappa

YssGuildShop

A library to track nameplates.

OneCore is the centralized code shared between the OneBag Suite

Numen

Shows the health of the player's current bodyguard.

Pet Theory

Quixote

Keeps track of current money and all your characters on one realm.

lern2count adds ABinfo castcounts to spell and actions. It has a builtin reagentcount too.

Dropdown library for Ace3 options, extensible to other options formats. Works ok.

Displays the zone level ranage of the zone you are in and also gives you a suggest zone and instances to be in.

Enables user defined sounds for Party, Guild, Raid and Custom Channel chat messages.

Libra

Keeps track of space left in your bags.

SmartyCatManaBar

BuffMe

Combination of Titan LootType and Roll - stripped down and cleaned up.