WowAce

Displays Currencies as a Data Broker source

FuBar_TimerFu

FuBar_PoisonReminderFu

Notifies you of new calendar event invites and reminds of upcoming events on all characters and realms

Scaffold

FuBar_KillMeterFu

GotWood

SalvationKiller

A simple visual combat log with spell/skill icons for Classic WoW

Drops the least valuable item in your bags to make space.

SVG Render-bender

Quixote

Filters AFK and DND messages after you've seen them once.

Notifies you of experience gains

Repairs your items automatically upon visiting a vendor.

Data broker for keeping track of your Ankh cooldown.

Adds resurrection, resurrected and soulstone status to Grid2. Uses LibResComm-1.0

JasonQuest

Zone text Data Broker plugin.

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime