WowAce

Death analysis tool

Tracks the Blood Shield for Death Knights.

Threat reactive nameplates for TidyPlates.

Calculates and shows your TankPoints in the PaperDall Frame.

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

Adds party/raid role icons in useful places

Detects specific CDs and spellcasts

Tankalyze

Monk Brewmaster/WindWalker Priority and Buff/Debuff Tracking Tool

Calculates incoming damage avoidance and mitigation

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

Tank statistics Data Broker plugin.

Instant SLAM! notification

Show a relative threat bar.

Warnings about tanking specific abilities

Displays an animated bar with next enemy swings

Simple oRA3 Maintank Target Frames, based on oUF

Displays a variety of useful stats for tanking

A frame with a text that gives you the amount absorb left on target, or in TankMode absorbs left on yourself.

A simple visual combat log with spell/skill icons for Classic WoW