Yes, both HelpNinja and Teamwork Desk offer a Free Trial.
HelpNinja is designed for Large Enterprises, Medium Business and Small Business.
Teamwork Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for HelpNinja Starts at $29/Month when Billed Yearly whereas for Teamwork Desk Starts at $8.50/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 Teamwork Desk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Deskero, HelpDesk, SysAid, Jitbit Helpdesk, Desky, eStreamDesk, Helpspot, ReadyDesk, AzureDesk, HESK and Help Desk Premier.