Maraguide: http://www.mara.guide:8080/enter.php

You'll need a key to enter this site, you can obtain one by visiting the owner here: http://www.marapets.com/profile.php?id=5413828

Maraforce: maraforce.com

Currency/Item Prices by Wednesday: http://www.marapets.com/blogs.php?entry=401862&id=783246

Another helpful Marasite by Dani: http://www.marasites.com/?name=Dani

Battleguide: https://sites.google.com/site/marabattleguide/home

If there's any I missed or you have one I don't currently have feel free to comment it!