WowAce

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

Tankalyze

Creates new chats with guild channel functionality

CharScanner scans Basic Character Data, Talent Specifications, Equipment, PvE/PvP Achievements, PvE Boss Kill Statistics and ...

ItemEnchantApplication

FuBar_VoiceFu

Diplomat

GratuityLib

Automatic ammo reloading and selection, with warnings.

RangeRecolor

A small datatext for ElvUI-using Shamans that gives them accurate info about their Reincarnation cooldown

Calendar improvements

Custom minimalistic nameplates

Shows learned recipes of all characters.

Light-weight enhanced casting bars

RaidHelper

PreferredItems

Merchant, gossip and taxi tweaking module for TweakHub.

RainbowEnchants

A simple addon that warns you if your pet isn't attacking while you're in combat.