WowAce

Library to help with querying unit talents.

Watch tooltip updates to announce when you find specific objects

Lightweight time display, with micro menu and memory usage tooltip.

FuBar_LoadLODFu

StarVisuals displays various data visualizations

Shared handling of media data (fonts, sounds, textures, ...) between addons.

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

QR Code builder library

NRT_EPGP

fmBuffCheck

Tells you who bought your auctions.

Draws some lovely 3D portraits in the standard Blizzard artwork.

Simple money display for LDB

ClosetGnome_Mount

Enhances the Equipment Manager to let you control the helm/cloak visibility for each set.

Information display for Hunters.

WeaponRebuff

Mob respawn timers

Forces LSM and LibSink to use specific textures and sinks.

Automatic ammo reloading and selection, with warnings.