Yes, both HelpHub and ManageEngine ServiceDesk Plus offer a Free Trial.
HelpHub is designed for Medium Business and Small Business.
ManageEngine ServiceDesk Plus is designed for Large Enterprises, Medium Business and Small Business.
The starting price of HelpHub begins at $39/Month when Billed Yearly, while pricing details for ManageEngine ServiceDesk Plus are unavailable.
Some top alternatives to HelpHub includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, Support Hub, Motadata HelpDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, LabiDesk, HESK, Helpjuice and KnowledgeBase.
Some top alternatives to ManageEngine ServiceDesk Plus includes SolarWinds Service Desk, Jira Service Desk, Symantec ServiceDesk, Freshdesk, Zoho Desk, HelpDesk, ReadyDesk, Sitehelpdesk, Help Desk Premier and Scopedesk.