osTicket offers Free Trial, but OTRS does not.
OTRS is designed for Large Enterprises, Medium Business and Small Business.
osTicket is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of osTicket begins at $9/User/Month, while pricing details for OTRS are unavailable.
Some top alternatives to OTRS includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Jira Service Desk, Freshdesk, HelpDesk, SysAid, osTicket, Jitbit Helpdesk, ReadyDesk, HelpdeskEddy, HESK, BoldDesk and ServiceNow Customer Service Management.
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.
