WowAce

an embeddable library providing an abstraction layer for tracking and querying Blizzard's Nameplate frames with ease and effi...

Adds spec switching support to individual AceDB-3.0 databases.

Display auras on action buttons.

Additional information about player spells.

Adirelle's bag addon.

Library providing multi-column tooltips.

Adds Outfitter set filters to AdiBags.

Provides LibPeriodicTable-3.1 item filters for AdiBags.

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

Database of Diminishing return categories and general data

Test whether the player can really dispell a buff or debuff, given its talents.

Rebuff yourself with the mousewheel.

Attach diminishing return icons to unit frames.

Movable frame library.

One-click smart mounting.

Crowd-control monitor

Light-weight enhanced casting bars

Spell overlay customization and spell state HUD.

Show buffs on nameplates.

A seperate focus bar, with focus gain prediction and rotation forecast.