WowAce

Reports the total threat on a mob at the end of combat.

eeMon

Easy Button for casting MD/ES/ToT etc on tanks.

Provides data about all artifacts in the player's possession.

Reputation tweaking module for TweakHub with auto watched faction selection and detailed rep info updates.

On login, displays changes to your guild since the last time you logged in.

Adds achievement reminders to BigWigs

FuBar_IOPFu

A customizable buff/debuff display replacement for the default Blizzard frames (with right click cancelaura support).

Encodes and Decodes between Lua tables and JSON/CSV.

API for AceConfig-3.0

FuBar_NetWorthFu

Adds a simple percentage threat status to Grid.

Shows all the targets in the raid

Calculates the relative value of attributes towards physical dps.

Dual-box Quest Automation

LibAvion-2.0

PoisonSwapper automatically manages weapon swapping for maximum DPS

Colors friends/bg score board/who list names by class color

Joins the LFG channel automatically.