Neither OpenVPN nor ZenMate offers a free trial.
OpenVPN is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ZenMate is designed for Freelancers and Small Business.
Pricing for OpenVPN Starts at $75/Month whereas for ZenMate Starts at $1.99/Month when Billed Yearly.
Some top alternatives to OpenVPN includes PureVPN, FastestVPN, NordVPN, Private Internet Access VPN, PrivateVPN, CASVPN, Ivacy VPN, Surfshark, ProtonVPN, ProXPN VPN, Cisco Anyconnect Secure Mobility Client, Avast SecureLine VPN, Fast VPN and Planet VPN.
Some top alternatives to ZenMate includes TunnelBear, PureVPN, CyberGhost VPN, FastestVPN, IVPN, NordVPN, ExpressVPN, Private Internet Access VPN, PrivateVPN, Ivacy VPN, Surfshark, ProXPN VPN, Fast VPN and Planet VPN.