Yes, both UVdesk and osTicket offer a Free Trial.
UVdesk is designed for Individuals, Large Enterprises, Medium Business and Small Business.
osTicket is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for UVdesk Starts at $16/Month when Billed Yearly whereas for osTicket Starts at $9/User/Month.
Some top alternatives to UVdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshdesk, Deskero, HelpDesk, osTicket, Desky, EngageBay Helpdesk System, ReadyDesk, Sitehelpdesk, Support.cc by 500apps, EpicPxls 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.