Tank Warnings is a simple addon to warn configurable messages upon certain events related to tanking, like Taunt resists or usage of special mitigation abilities that are usually used in emergencies, like Shield Wall and so on.
Supports Warriors, Druids, Paladins and Death Knights, as well as integration with BigWigs creating global or local timers for specific abilities.
Messages can be sent to scrolling combat text addons as well as common channels like Raid Warning, Raid, Party, custom channel names, etc.