Yes, both Vision Helpdesk and osTicket offer a Free Trial.
Vision Helpdesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
osTicket is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Vision Helpdesk Starts at $12/User/Month when Billed Yearly whereas for osTicket Starts at $9/User/Month.
Some top alternatives to Vision Helpdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Kayako, Deskero, Teamwork Desk, LiveAgent, HelpDesk, SysAid, osTicket, Jitbit Helpdesk, eStreamDesk, BoldDesk and Scopedesk.
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.