Yes, both LiveAgent and TOPdesk offer a Free Trial.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
TOPdesk is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of LiveAgent begins at $15/User/Month, while pricing details for TOPdesk are unavailable.
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 TOPdesk includes Freshservice, ManageEngine ServiceDesk Plus, SolarWinds Service Desk, Jira Service Desk, Freshdesk, Teamwork Desk, HelpDesk, Desky, Salesforce Service Cloud, ReadyDesk, Milldesk and Help Desk Premier.