I need a Custom CRM as a single web page web application using node.js for non blocking I/O and Vue.js for front end.

I need a tool for documentation and management of customer relationships deep data analysis then i need a key account management analysis of the customer purchases Marketing-Mix Up and cross selling analysis Analysis for marketing, sales and service then I need tools for acquisition analysis micro / macro marketing algorithms After-Sales Management A newsletter WYSIWYG Tool analytics in terms of business intelligence and data mining ABC-analysis cross selling tools Customer Self Services management for the communication channels like telephone e-mail hotline skype whatsapp business and social media pltforms category managemenr I want this integrated in an ERP Program I do not want a dirty CRM system which is very important and it has to be in law with the new GDPR in europe Contract managememt lead management opportunity management sales funnel customer reports