WowAce

Separate indicator for your HoTs with timer.

Combat log evolved.

Calculates optimal reforging for given weights/caps.

FuBar_CheckStoneFu

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

Library handling communcation for Magic* addons

Simple display and management of Away / AFK / Busy / DND status via broker or minimap

Smooth group roll frames

Estimated time until current target will die.

Keeps track of time played and rested XP across your characters.

Transcendence Monitor for Monks

aUF_RangeCheck

RaidInfo

Database of Mailbox locations for HandyNotes

FuBar_AlchemyFu

Tell you where all the daily elite pets are

Gives detailed descriptions of particular localities, as zones or instances, and provides optional TomTom integration.

Nvp

Track any items you want in a tooltip

LittleTrouble