Real Estate Investments white label CRM

Hi how are you? I Have a website which connected to the MLS, and have lot of data, but i need a CRM Software like Podio.com, to have on my server and domain, i want my clients to have everything in one tool,

1st option: to work with a current Crm as white label,
2nd option: to build something in python/php

if you don’t know about White Label CRM please don’t not contact me thanks