Yes, both Happitu and ManageEngine ServiceDesk Plus offer a Free Trial.
Happitu is designed for Medium Business and Small Business.
ManageEngine ServiceDesk Plus is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Happitu and ManageEngine ServiceDesk Plus are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Happitu includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, Teamwork Desk, LiveAgent, Support Hub, HelpDesk, SysAid, Jitbit Helpdesk, UseDesk, DeskXpand, Support.cc by 500apps and BoldDesk.
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.