Yes, both Trengo and Front offer a Free Trial.
Trengo is designed for Large Enterprises, Medium Business and Small Business.
Front is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Front begins at $19/User/Month, while pricing details for Trengo are unavailable.
Some top alternatives to Trengo includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, ClickDesk, Front, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Desky, eStreamDesk, Help Scout, UseDesk and LabiDesk.
Some top alternatives to Front includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Deskero, Teamwork Desk, SeamlessDesk, HelpDesk, Jitbit Helpdesk, Rhino Support, ReadyDesk, Sitehelpdesk, LabiDesk, Help Desk Premier and BoldDesk.