Yes, both Help Sumo and Freshdesk offer a Free Trial.
Help Sumo is designed for Large Enterprises, Medium Business and Small Business.
Freshdesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Help Sumo Starts at $19/User/Month whereas for Freshdesk Starts at $15/User/Month when Billed Yearly.
Some top alternatives to Help Sumo includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, ProProfs Help Desk, Support Hub, HelpDesk, SysAid, Jitbit Helpdesk, Desky, ReadyDesk, HelpdeskEddy, LabiDesk, AzureDesk and Help Desk Premier.
Some top alternatives to Freshdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, SeamlessDesk, LiveAgent, HelpDesk, SysAid, HubSpot Service Hub, Salesforce Service Cloud, CRMdesk, Helpspot, Sitehelpdesk and Trakdesk.