WowAce

MorgDKP

Role playing AddOn that shows extra information about characters as entered by the player.

Easily mail friends, guild members, alts and others

Keeps track of quests.

Incoming Heals

Raid loot tracking and text generation

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

tracks and share quests between your party

Shows skills in a tooltip and allow them to be used. Also keeps track of Cooldowns.

A UI for searching the guild roster.

Cooking data for Ackis Recipe List.

Addon to provide a much nicer map

Reduces interface tedium by doing the little things for you.

A replacement tradeskill window

AnyFont

Compact & customizable filtering, monitoring and grouping of buffs and debuffs

Database of Mailbox locations for HandyNotes

A collection of Rogue modules.

GrindStatus

You've got mail!