Yes, both Zendesk Sell and Wrike offer a Free Trial.
Zendesk Sell is designed for Large Enterprises, Medium Business and Small Business.
Wrike is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Zendesk Sell Starts at $19/User/Month when Billed Yearly whereas for Wrike Starts at $9.80/User/Month.
Some top alternatives to Zendesk Sell includes monday.com, Pipedrive, HubSpot CRM, Freshsales, Salesflare, Close, Vendasta, Keap, Zoho CRM, Salesforce, Thryv, Pipeliner CRM, SalesCRM, SimpleCRM, Snapforce CRM and Pipeline CRM.
Some top alternatives to Wrike includes Basecamp, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and ProWorkflow.