Yes, both Hippo and LiveAgent offer a Free Trial.
Hippo is designed for Individuals, Large Enterprises, Medium Business and Small Business.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Hippo Starts at $17/Month when Billed Yearly whereas for LiveAgent Starts at $15/User/Month.
Some top alternatives to Hippo includes ZoomInfo Chat, LiveAgent, LiveChat, LiveEngage, MyLiveChat, Zoho SalesIQ, Smartchat, LivePerson, LinkedChat, ChatFlow247 and Let's Connect.
Some top alternatives to LiveAgent includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, ClickDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, Help Scout, LabiDesk, LiveChat, Zendesk Chat, LiveHelpNow and Little SaaS Communication.