Yes, both Quickbooks and Zendesk Support offer a Free Trial.
Quickbooks is designed for Individuals, Freelancers, Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Zendesk Support begins at $19/user/month when yearly, while pricing details for Quickbooks are unavailable.
Some top alternatives to Quickbooks includes Xero, Freshbooks, Sage Accounting (Sage One), Zoho Books, easybook.io, QuickFile, AccountingSuite, Sage Business Cloud Accounting, Wave and Sage 50cloud Accounting.
Some top alternatives to Zendesk Support includes Zoho Desk, Tidio Helpdesk, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.