Yes, both Volusion and Salesforce Service Cloud offer a Free Trial.
Volusion is designed for Freelancers, Medium Business and Small Business.
Salesforce Service Cloud is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Volusion Starts at $26.10/Month when Billed Yearly whereas for Salesforce Service Cloud Starts at $25/user/month when yearly.
Some top alternatives to Volusion includes Spocket, Easyship, Spark Shipping, Dropshipper, Dropified, Zendrop, Shopify Plus, 2Ship, Shopify, Dropship SPY, Fulfill and Sell.xyz.
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.