Yes. However, the Free Edition of Zoho CRM allows you to set up only the Accounts / Contacts and the Vendor sync.
Also, you will not have the option to set up the Items (Products) sync as the Free Edition of Zoho CRM doesn’t have the Products module. Due to this, you will not be able to enable the finance module as well.
Only the Professional and Enterprise editions of Zoho CRM integrates with Zoho Books effectively.
and GST filing.