WowAce

PowerPoint goodness for your addon

Color player names in chat by their corresponding raid class colors

JostleLib

FuBar_WaypointsFu

FuBar_WintergraspFu

Status indicator that shows if a unit is hostile (probably mindcontrolled)

Shows attachment count in Inbox icon.

A Coordinates Data Broker plugin.

FuBar_tTracker

Ace2'd version of the "Visor" frame-modifictaion AddOn. All code in this addon is copyrighted 2006 by its authors, which are...

SmartyCat

A simple broker display that displays in-game and RealID friends in a tooltip.

Improvements to the standard Blizzard Eclipse bar for balance druids. Use /ebp for the config screen.

Show a bar indicating the unit's Soul Shard count.

Reduce the chance that talent switch be forbidden.

Enables RatingBuster to calculate selected buff effects even if you don't really have them

Never miss an Brain Freeze, Hot Streak or Missle Barrage proc

Show a bar indicating the attack power gained from Vengeance.

What did you just loot?

Makes most default frames movable (mailbox, achievements window etc.)