TeamInfo allows you to send your heath data, armour data, etc to friends which you add. If you accept a friend request, both users get the others information sent to them on a semi-constant basis. This information is then updated in a GUI, which you can click drag to tother portions of the screen. I've made a YouTube video explaining how this works:



For those who do not have enough bandwith for videos, here's a few images:


The main thread which I will be reading and updating more frequently is the MinecraftForum post, found here.

I am Kovu; if you have any doubts send me a PM on MCF and I can prove that I'm the same person.