Yes, both LiveAgent and HelpCrunch offer a Free Trial.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
HelpCrunch is designed for Large Enterprises, Medium Business and Small Business.
Pricing for LiveAgent Starts at $15/User/Month whereas for HelpCrunch Starts at $12/User/Month when Billed Yearly.
Some top alternatives to LiveAgent includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, ClickDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, Help Scout, LabiDesk, LiveChat, Zendesk Chat, LiveHelpNow and Little SaaS Communication.
Some top alternatives to HelpCrunch includes ZoomInfo Chat, ClickDesk, LiveAgent, LiveChat, DeskMoz, Zendesk Chat, Intercom, LiveHelpNow, Comm100 Live Chat, HelpOnClick and Smartchat.