WowAce

Adds more quality of life sounds and textures to lib shared media.

HealBot Continued

Provides visual, auditory, and textual notifications about cooldowns, buffs, and pretty much every other element of combat.

Ahri-xx media

Series of additional media used by Zen Garden guild for WeakAuras.

A media pack from Decidedly Uncouth

Pitombeiros do Havai custom sounds

Comprehensive audio library of abilities ready to be used in Weak Auras.

Shared assets / code for revolutions guild

Adds various sound and other media to the SharedMedia AddOn

Puggin Sound pack

Adirelle's unit frames, based on haste's oUF.

oUF layout w/player, target, pet, focus, target's target and boss frames

Unit frames addon designed to track assist targets in groups (inspired by MainAssist).

Adds more sounds to Shared Media Lib for use in addons like Weak Auras.

Koko SpellOverlays allows you to modify the default blizzard spelloverlays (power auras) in a limited fashion

Some Fonts/Textures

A large collection of ogg audio files for use with other addons

Various artwork

Tracks Rebirth and Innervate cooldowns.