WowAce

lern2count adds ABinfo castcounts to spell and actions. It has a builtin reagentcount too.

Show extra information about Jewels and Enchants in tooltips.

Considers an item against all the items you have to determine whether or not it is an upgrade

A frame designed for each specialization of druid's watching their main power and important buffs/debuffs

Allows the user to customize the the tooltip with lua-scripts

Quickly assign the highest follower to each building or unassign all of them.

KC_Items

Allows for gold tracking across multiple time frames

Shows a circle on the minimap to indicate spell range

A superior broker/LDB display for users of the Recount damage-meter.

Good looking, smoothy and helpful nameplates

StatStain

Allows for easy congratulating when someone earns an achievement.

FuBar_TimerFu

A module that lets you find out what today's dailies are without having to visit the quest givers.

Announces Mage Spells in chat.

Cartographer_nnTrainers

Track any items you want in a tooltip

Control screenshot format and quality via FuBar

BA3_SpellAbilities