Features
-Highly configurable maps per world
-Real-time updates: maps are kept in sync with your world in real-time, updates are shown while your leave your browser open
-Players with their faces are visible on the map
-Chat messages are visible (as balloons or in a chatbox) on the map.
-Map viewers can chat to players in-game.
-Current Minecraft time is visible on the map.
-Current Minecraft weather is visible on the map.
-WorldGuard, Residence, Towny and Factions regions that can be visible on the map (through corresponding Dynmap-* plugins)
-Overall highly configurable and customizable.