Yes, both Revelation helpdesk and eStreamDesk offer a Free Trial.
Revelation helpdesk is designed for Large Enterprises, Medium Business and Small Business.
eStreamDesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Revelation helpdesk Starts at $19/Year whereas for eStreamDesk Starts at $29/Month.
Some top alternatives to Revelation helpdesk includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, HelpDesk, SysAid, Jitbit Helpdesk, eStreamDesk, EvantoDesk, ReadyDesk, HelpdeskEddy, Sitehelpdesk, Trakdesk and BoldDesk.
Some top alternatives to eStreamDesk includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Rhino Support, ReadyDesk, HelpdeskEddy, Sitehelpdesk and HESK.