What do you think are the top healing addons which supports us healing in instances and raids? Post your addons, and i will make a new article presenting all you addons you been voted for.

This thread is for addons helping you to heal or to display the information you need to decide what and when you heal. I will make another thread for all the other nice addons.

My favourites:
* Grid (including some plugins)
* Clique
* PitBull
* Omen (i can see who is pulling aggro soon)