WowAce

Death analysis tool

Tracks the Blood Shield for Death Knights.

Threat reactive nameplates for TidyPlates.

Reports on a configurable dashboard or to group chat on consumables, buffs, AFK, mana and many many others but in an intellig...

Calculates and shows your TankPoints in the PaperDall Frame.

Adds party/raid role icons in useful places

Detects specific CDs and spellcasts

Tankalyze

Calculates incoming damage avoidance and mitigation

Instant SLAM! notification

FuBar_AbramsFu

Provides buttons and keybinds for raid flare world markers that never stop working mid-session

Vengeance module for Broker displays.

Monk Brewmaster/WindWalker Priority and Buff/Debuff Tracking Tool

Provides quick notification (sound and visual) of your tanking status of your current target. Meant for tanking.

Damnation

Toolset for tanks, providing information on taunts and other valuable information.

Warnings about tanking specific abilities

Show a relative threat bar.

Simple oRA3 Maintank Target Frames, based on oUF