Yes, both TeamViewer and ScreenMeet offer a Free Trial.
TeamViewer is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ScreenMeet is designed for Large Enterprises, Medium Business and Small Business.
The starting price of TeamViewer begins at $9/month when yearly, while pricing details for ScreenMeet are unavailable.
Some top alternatives to TeamViewer includes GoToMyPC, RemotePC, VNC Connect, RemoteToPC, AnyDesk, Splashtop Remote Support, LogMeIn Pro, Splashtop Business Access, FixMe.IT, LogMeIn Rescue, NinjaOne (NinjaRMM) and GoTo Resolve.
Some top alternatives to ScreenMeet includes and undefined.