WowAce

Nvp

Add a line to herb tooltips that shows what pigment they produce.

WQA helps you find world quest groups easily. Works after the 4/28 group finder changes.

Assister

Guilder brings common guild-raid tasks together in one convenient place.

Add-on that shows in a unit tooltip window a number of killed mobs of the same kind

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

StatStain

Control screenshot format and quality via FuBar

Mapster's Minimap brother

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RBM

Keeps track of your reagents for buffing.

AceBuffGroups

Shows skills in a tooltip and allow them to be used. Also keeps track of Cooldowns.

FuBar_ShardCountFu

Reno is a slash-command that can patch predefined options in a macro to change which abilities will be chosen.

Database of item upgrade IDs

Keeps track of gold and cash flow across multiple characters

Gives detailed descriptions of particular localities, as zones or instances, and provides optional TomTom integration.