WowAce

Keeps track of performance of memory, latency, and framerate.

tekKonfig

Search, filter and craft gems in the game!

Tracks the current Fear Ward's in the raid or party.

Searches bags/banks of all your characters/guilds.

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

OneBank3 will combine all the bank bags into one frame.

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

Tracks, transmits and displays the cooldowns of your raid.

Provides shareable notes and other information for your guild, party and raid community.

Detects specific CDs and spellcasts

FuBar_ItemBonusesFu

Healer gear benchmark

Reports in raid chat whenever a raid member "fails." /EnsidiaFails to configure.

Target Debuff monitor. Stacking aware, giving current and potential debuff status.

Shows you a much bigger icon selection frame

Adds a button to undress the model in the Dressing room.

Teleporters in Suramar? Sure, why not?

Shows where the equipment of inspected users or yourself is from.

Heads Up Display with Player and Target Info