The general public has come to mainly use the term VPN service or just VPN specifically for a commercially marketed product or service that uses a VPN protocol to tunnel the user's internet traffic so an IP address of the service provider's server appears to the public to be the IP address of the user.

SoftEther VPN - Wikipedia SoftEther VPN is free open-source, cross-platform, multi-protocol VPN client and VPN server software, developed as part of Daiyuu Nobori's master's thesis research at the University of Tsukuba.VPN protocols such as SSL VPN, L2TP/IPsec, OpenVPN, and Microsoft Secure Socket Tunneling Protocol are provided in a single VPN server. It was released using the GPLv2 license on January 4, 2014. VPN Tunnels explained: what are they and how can they keep May 15, 2020 How to split tunnel VPN traffic on Windows, MacOS, DD-WRT Jul 26, 2017 Best VPN Software | 2020 Reviews of the Most Popular Tools

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OpenVPN is VPN tunneling protocol developed using open-source software (software with codes that anyone can inspect). It uses the well-known Secure Socket Layer (SSL) encryption protocol to ensure that all data traffic passed between your device and any other user’s device or any website remains private.

Download TunnelBear VPN, easy & simple VPN service to keep browsing privately for iOS, Android, macOS, PC & your browser. TunnelBear VPN - Review 2020 - PCMag Asia