Yes, both Mojo Helpdesk and osTicket offer a Free Trial.
Mojo Helpdesk is designed for Large Enterprises, Medium Business and Small Business.
osTicket is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Mojo Helpdesk Starts at $12.60/Month when Billed Yearly whereas for osTicket Starts at $9/User/Month.
Some top alternatives to Mojo Helpdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, Issuetrak, HelpDesk, SysAid, osTicket, Jitbit Helpdesk, EngageBay Helpdesk System, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.
Some top alternatives to osTicket includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Jira Service Desk, Freshdesk, HelpDesk, SysAid, UVdesk, Jitbit Helpdesk, eStreamDesk, ReadyDesk, Spiceworks Help Desk, HESK, BoldDesk and GLPI.