Yes, both HappyFox and Jira Service Desk offer a Free Trial.
HappyFox is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Jira Service Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for HappyFox Starts at $29/Month when Billed Yearly whereas for Jira Service Desk Starts at $10One-Time Payment.
Some top alternatives to HappyFox includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Jira Service Desk, Freshdesk, Deskero, SeamlessDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, CRMdesk, ReadyDesk, HESK and BoldDesk.
Some top alternatives to Jira Service Desk includes Freshservice, ManageEngine ServiceDesk Plus, SolarWinds Service Desk, Mint Service Desk, Symantec ServiceDesk, Freshdesk, HelpDesk, ReadyDesk, Milldesk, HESK, Scopedesk and GLPI.