WowAce

Aggro Warning System for Parties and Raids.

HealComm-2.0

Makes it very easy to collect rare battle pets.

StarVisuals displays various data visualizations

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

FuBar_FuzzyClockFu

XP and Reputation bars

A Healing Assignment management addon

Automatically sells low quality gray items to the vendor.

Adds the "pixel perfect" font "Silkscreen" to LibSharedMedia

TalentWhisper

Extends Gladius with diminishing return tracking

Repairs your items automatically upon visiting a vendor.

LFD status via a DataBroker display rather than the minimap.

FuBar plugin for ItemRack v2.2+

Prints a message in your default chat frame when someone in your group gains an aura.

Voyeur

SVG Render-bender

BagSync

Data broker for keeping track of your Ankh cooldown.