Yes, both TeamViewer and Trakdesk offer a Free Trial.
TeamViewer is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Trakdesk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for TeamViewer Starts at $9/month when yearly whereas for Trakdesk Starts at $9.99/User/Month when Billed Yearly.
Some top alternatives to TeamViewer includes NinjaOne (NinjaRMM), GoToMyPC, RemotePC, VNC Connect, RemoteToPC, AnyDesk, Splashtop Remote Support, LogMeIn Pro, Splashtop Business Access, FixMe.IT, LogMeIn Rescue and GoTo Resolve.
Some top alternatives to Trakdesk includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Desky, Helprace, ReadyDesk, Sitehelpdesk, HESK, Help Desk Premier and BoldDesk.