Yes, both LiveAgent and Helpwise offer a Free Trial.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Helpwise is designed for Large Enterprises, Medium Business and Small Business.
Pricing for LiveAgent Starts at $15/User/Month whereas for Helpwise Starts at $83.25/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 Helpwise includes ZoomInfo Chat, LiveAgent, LiveChat, Crisp, DeskMoz, LiveHelpNow, HelpOnClick, Zoho SalesIQ, Smartchat, ChatFlow247 and Freshchat.