Brief: 
manage customer and company information and projects online with the crm, with the documents of the mongodb collections. user management and permissions, with search for a client's document, with web form and a web form data grid, and searches, management of photos, audio, pdf, email, voip, but I don't ask a person for all this !!!

Design Preferences: I already have a website, I don't need it,
you need a hosting like digital ocean, or other simple ones, to manage mongodb
Preferred Customizations:
no require
Technology Preferences: vuejs, strapi, com, MEAN Stack (AngularJS + ExpressJS + NodeJS), ASP.NET,