Yes, both Zendesk Sell and NiceJob offer a Free Trial.
Zendesk Sell is designed for Large Enterprises, Medium Business and Small Business.
NiceJob is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zendesk Sell Starts at $19/User/Month when yearly whereas for NiceJob Starts at $45/Month.
Some top alternatives to Zendesk Sell includes Salesforce Sales Cloud, Pipedrive, Thryv, Vendasta, Hubspot Marketing Hub, ClickUp, Zoho CRM, Salesforce, HubSpot CRM, Pipeliner CRM, Keap, SalesCRM, SimpleCRM, Snapforce CRM and Pipeline CRM.
Some top alternatives to NiceJob includes ReviewBuzz, ReviewInc, Reputation Desk, Reputation.com, Jumpstart, ReviewRev, Get Review, Grab Your Reviews, Reeview and ReviewGain.