SoftEther VPN
SoftEther VPN is an open-source, cross-platform, multi-protocol virtual private network (VPN) program developed by the University of Tsukuba in Japan. It supports various VPN protocols, such as SSL VPN, L2TP/IPsec, OpenVPN, and Microsoft SSTP. SoftEther VPN is compatible with multiple operating systems, including Windows, Linux, Android, and iOS, providing a flexible and powerful VPN solution.