Yes, both Wrike and Salesforce Service Cloud offer a Free Trial.
Wrike is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Salesforce Service Cloud is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Wrike Starts at $0/user/month when monthly whereas for Salesforce Service Cloud Starts at $25/user/month when yearly.
Some top alternatives to Wrike includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Basecamp, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and ProWorkflow.
Some top alternatives to Salesforce Service Cloud includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, HubSpot Service Hub, Help Scout, UseDesk, LabiDesk, AzureDesk, HESK and BoldDesk.