Follower Missions Timer provides a simple overview for active missions on all characters.
To add a character to the list, just enter the game and it will be monitored alongside others. No need to go to the mission table for monitoring to start.
Supports every type of missions available (Warlords of Draenor, both original and naval, Legion class hall, Battle for Azeroth and Shadowlands).
Use /fmt command to see configuration options.