Yes, both Xero and Time Tracker by eBillity offer a Free Trial.
Xero is designed for Freelancers, Medium Business and Small Business.
Time Tracker by eBillity is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Time Tracker by eBillity begins at $6/User/Month when Billed Yearly, 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 Time Tracker by eBillity includes Connecteam, Smartsheet, Timely, Hubstaff, Timesheets.com, Clockify, TimeTrack, Time Track Bill, Timesheet, Billable, QuickBooks Time and Bill4Time.