Health Bar Minus Name is a fork of the mod Neat by Vazkii.
I didn't like the name of the mob being displayed, and because there's no option to remove it in the config I forked the mod and removed the name.
I've also made it so all health bars except for bosses are colored green, instead of hostile mobs being red and friendly mobs being green.
Health Bar Minus Name adds a health bar above a mob after you attack that mob.