Yes, both LiveHelpNow and Comm100 Live Chat offer a Free Trial.
LiveHelpNow is designed for Medium Business and Small Business.
Comm100 Live Chat is designed for Large Enterprises, Medium Business and Small Business.
Pricing for LiveHelpNow Starts at $9/Month whereas for Comm100 Live Chat Starts at $29/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 Comm100 Live Chat includes ZoomInfo Chat, LiveAgent, CommBox, LiveChat, Crisp, LiveEngage, Intercom, Smartchat, ChatFlow247, Freshchat and ChatAndBot.