What is the best Plugin in minecraft

Skript is nice, but my personal best would be one of the most used like essentials or world edit, I know, boring.
Skript is not as much programming as you'd think OP, the plugin is as simple as can be. All you do is write English like you give someone commands to do something for you.
Here is a little tutorial they made for it to give you a little understanding for it: http://en.njol.ch/projects/skript/tutorial