Yes, both Live800 and LiveAgent offer a Free Trial.
Live800 is designed for Large Enterprises, Medium Business and Small Business.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Live800 Starts at $1,329/Year whereas for LiveAgent Starts at $15/User/Month.
Some top alternatives to Live800 includes ZoomInfo Chat, LiveAgent, LiveChat, Contact At Once, Crisp, DeskMoz, Smartchat, raychat, iAdvize, ChatFlow247 and Let's Connect.
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.