2025-08-21 00:00:00 VinCSS OVPN application is an OpenVPN client developed based on OpenVPN library to establish a connection to an OpenVPN server, comes with passwordless authentication via FIDO2 protocol as extended feature. This app requires the 'VinCSS Fido2' app to connect to use Built-In authenticator for passwordless authentication. VinCSS does not provide any free ovpn server. * For normal users: