If you want to recieve files directly from your customers in your own Joomla! website with JSW CRM without any third party, with JSW CRM 5 you can.

The files your cusomer sends you are directly stored in a map on your own webserver, and are real-time available..

JSW CRM gets shipped with a special file transfer form for this.

This can be set up in various ways, just the way you want to use it. 
This form can be made available for example only for registred users, public for everyone, or for example only available with a hidden special url.

It's even possible to make a file category only available for a certain client or make multiple versions for your clients.

You can even set which sorts of files the system can recieve. Multiple files can be send by put separatly or by putting them in a .zip file for example.

try the example here.

Go to here and click on the register button there.

The react form gives visitors the ability to react on published items.

The form can be set with a hidden menu item and stores the reactions in the category you want. 

The reactionform can be switched on or of per item.

On menulevel you can set if the reactform(s) are shown yes or no in the settings of the menuitem.