Yes, both Halo Service Desk and Vivantio offer a Free Trial.
Halo Service Desk is designed for Large Enterprises, Medium Business and Small Business.
Vivantio is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Halo Service Desk Starts at $40/User/Month whereas for Vivantio Starts at $42/User/Month.
Some top alternatives to Halo Service Desk includes Freshservice, ManageEngine ServiceDesk Plus, Jira Service Desk, Symantec ServiceDesk, InvGate Service Desk, HelpDesk, TOPdesk, ReadyDesk, UseDesk, Milldesk, Sitehelpdesk and BoldDesk.
Some top alternatives to Vivantio includes Freshservice, ManageEngine ServiceDesk Plus, SolarWinds Service Desk, Jira Service Desk, Symantec ServiceDesk, InvGate Service Desk, IBM Control Desk, Teamwork Desk, HelpDesk, TOPdesk, Sitehelpdesk and Scopedesk.