WowAce

View party member quest logs

iTargetingFrames

Broker_CalendarEvents

Calendar improvements

opens/closes all bags when at merchant (instead of only the backpack)

Client for MagicDKP which handles standby calls and bidding on items.

Holy Power, Shadow Orbs, Rogue Combo Points and Monk Chi.

Tells you who bought your auctions.

NShakedown

Toggles player names.

A boss encounter engine used by other add-ons

Warns you with sounds when you gain different shaman spells.

Cryolysis 3

Customize the PlayerPowerBarAlt display

Adds Friend and Guild options to the context menu of player units.

Lists and/or reminds people missing flasks or food buffs at every ready check.

FuBar_tTracker

Helper functions used by my addons, feel free to use them in your addon too

Adds an Atlas button to FuBar.

FuBar_ToFu