WowAce

Raid loot tracking and text generation

FlexBar2

Kaliban's Class Loot List Star Display

provides enchanters with a decent tool for managing their profession

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

Heads Up Display with Player and Target Info

Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.

Cartographer_Treasure

Modular and lightweight party/raid frames.

Threat reactive nameplates for TidyPlates.

Nihilum Raid Tracker, originally written for the EU guild Nihilum.

Shows the mirco menu and game menu in a clickable broker tooltip.

Track of your tradeskills across characters, create small buttons for them and track cooldowns.

A library to help with localization of item types and subtypes.

OneBank3 will combine all the bank bags into one frame.

Shows mana usage as a percentage in a spells tooltip.

Tracks the Blood Shield for Death Knights.

Database of Vendor locations for HandyNotes

SacredBuff

A bin for all your LibDataBroker buttons