Yes, both HelpNinja and BoldDesk offer a Free Trial.
HelpNinja is designed for Large Enterprises, Medium Business and Small Business.
BoldDesk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for HelpNinja Starts at $29/Month when Billed Yearly whereas for BoldDesk Starts at $8/User/Month when Billed Yearly.
Some top alternatives to HelpNinja includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, HelpDesk, SysAid, Jitbit Helpdesk, eStreamDesk, ReadyDesk, HelpdeskEddy, AzureDesk, HESK, DeskXpand and BoldDesk.
Some top alternatives to BoldDesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Deskero, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Desky, eStreamDesk, EngageBay Helpdesk System, ReadyDesk, LabiDesk and AzureDesk.