Best plugins Minecraft?

The best are EpicWorldGenerator, Epic plugins by songoda and maybe RPG Inventory - it just got me with the inventory changes, like he made the equipment so good, I just cant realise how he did it. All of the amulets places, accesorries, special items etc. The plugins I listed are so good because of their much usage. They got a lot of options and aren't that obvious like WorldEdit or essentials.