The Proton VPN GTK App repository contains the official Linux desktop client for ProtonVPN using the GTK toolkit, allowing users of GNOME, XFCE, and other Linux desktop environments to connect securely to Proton’s VPN servers with a native-looking interface. Built with Python or C and leveraging the GTK framework, this app provides intuitive controls for server selection, connection management, and status reporting, integrating with Linux system networking and user session environments. It supports features expected of a full VPN client—such as secure tunnels, automatic reconnection, and location selection—while respecting desktop conventions like system tray icons and notifications. ...