Yes, both Xero and LiveAgent offer a Free Trial.
Xero is designed for Freelancers, Medium Business and Small Business.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of LiveAgent begins at $15/User/Month, while pricing details for Xero are unavailable.
Some top alternatives to Xero includes Quickbooks, Sage Accounting (Sage One), Zoho Books, Zoho Daybook, QuickFile, Sage Business Cloud Accounting, MYOB, QuickBooks Desktop Pro, QuickBooks Online Advanced and Sage 50cloud Accounting.
Some top alternatives to LiveAgent includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, ClickDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, Help Scout, LabiDesk, LiveChat, Zendesk Chat, LiveHelpNow and Little SaaS Communication.