Yes, both Zendesk Sell and Clockify offer a Free Trial.
Zendesk Sell is designed for Large Enterprises, Medium Business and Small Business.
Clockify is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Zendesk Sell Starts at $19/User/Month when yearly whereas for Clockify Starts at $3.99/User/Month when Billed Yearly.
Some top alternatives to Zendesk Sell includes Thryv, Salesforce Sales Cloud, monday sales CRM by monday.com, Pipedrive, Zoho CRM, Vendasta, Hubspot Marketing Hub, ClickUp, Salesforce, HubSpot CRM, Pipeliner CRM, Keap, SalesCRM, SimpleCRM, Snapforce CRM and Pipeline CRM.
Some top alternatives to Clockify includes TimeTracker App, Toggl Track, Harvest, My Hours, Hubstaff, Timesheets.com, TrackingTime, Tick, TimeTrack and TeamTime.