Yes, both LiveHelpNow and LiveAgent offer a Free Trial.
LiveHelpNow is designed for Medium Business and Small Business.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for LiveHelpNow Starts at $9/Month whereas for LiveAgent Starts at $15/User/Month.
Some top alternatives to LiveHelpNow includes ZoomInfo Chat, ClickDesk, Deskero, LiveAgent, HelpDesk, lemtalk, LabiDesk, LiveChat, Crisp, Zendesk Chat and HelpOnClick.
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.