Please suggest best CMS for a real estate website .

Hello friends i am searching here and there for a good CMS which may help me in developing a good and reliable real estate website.

I am not an agent or dealer for properties , instead of that i want property agents,owners and buyers may come their , create free and premium accounts with their respective limitations and get connected to the buyers or sellers.

After searching a lot i could find only a single script mentioned here :http://www.realestates.com.bd/realestate_demo.php
But...

Please suggest best CMS for a real estate website . WordPress ...