WowAce

Show a bar indicating the unit's Holy Power count.

Allows communication to be shared across realm through Battle.net.

A library to help with localization of Archaeology artifacts

Provides training reminders to help decipher the Blizzard Spell Alerts.

Remaining and rested XP Data Broker plugin.

Adds a third text indicator to Grid.

Monitors AP when dots are applied, clearly showing current vs applied AP levels.

PricePer

Congratulate people when they ding

Adds Buff/Debuff icons to the grid frame.

Aggro Warning System for Parties and Raids.

LibFuBarPlugin-3.0

Cryolysis 3

Shows the group leader, raid assistants, and master looter in Grid.

A library to provide tools for formatting money and time.

Keeps track of important de-/buffs in a splash screen

Provides the the health and target of by an unit targeted mob (meant to be used for tanks).

FuBar_DPS

Configure which layout or profile to load on entering a zone

iTargetingFrames