Free Zoho CRM & admin

Free Zoho CRM & admin

Hi - I would like to try out Zoho CRM...the free version.  There are 3 of us who need to collaborate on a project.  Is there a way that I can restrict 1 user to a part of our "leads"?  Or can I create more that one leads list?
 
I think one way around this is to create an "account" for 1 user and in there you can add contacts.  But if the contacts in that account are the same people in the "leads" will the information merge or be kept separate?
 
Thanks!
Michele