Yes, both HelpDesk and GLPI offer a Free Trial.
HelpDesk is designed for Large Enterprises, Medium Business and Small Business.
GLPI is designed for Large Enterprises, Medium Business and Small Business.
The starting price of HelpDesk begins at $29/User/Month when Billed Yearly, while pricing details for GLPI are unavailable.
Some top alternatives to HelpDesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, SupportBee, Teamwork Desk, SysAid, Jitbit Helpdesk, Snappy, Helpspot, ReadyDesk, HelpdeskEddy, Help Desk Premier, Support.cc by 500apps and BoldDesk.
Some top alternatives to GLPI includes Freshservice, ManageEngine ServiceDesk Plus, SolarWinds Service Desk, Jira Service Desk, Symantec ServiceDesk, IBM Control Desk, osTicket, TOPdesk, Spiceworks Help Desk, iSupport Software, Richdesk and Scopedesk.