Yes, both Channel.io and LiveAgent offer a Free Trial.
Channel.io is designed for Large Enterprises, Medium Business and Small Business.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Channel.io Starts at $30/Month when Billed Yearly whereas for LiveAgent Starts at $15/User/Month.
Some top alternatives to Channel.io includes ZoomInfo Chat, LiveAgent, LiveChat, LiveEngage, DeskMoz, Zendesk Chat, Lime Talk, Smartchat, LivePerson, Let's Connect and Liveo.Chat.
Some top alternatives to LiveAgent includes Zendesk Support, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, Zoho Desk, ClickDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, Help Scout, LabiDesk, LiveChat, Zendesk Chat, LiveHelpNow and Little SaaS Communication.