So what is difference between monaco and centra ?

Here is my findings, just add more if you know more about  differences that are not included in the context.

Monaco is cool, and has reputable people behind it. Centra has new comers thinking they can do something new through copy/paste script kiddy idea and making it their own. I wouldn't have a problem if their team was not bunch of retards.

Monaco is for Superior people, remember this comment down the road.
Centra will be for regular people with their own list of flaws that everyone will cry about.