WireGuard is described as 'Simple, fast VPN tunnel utilizing state-of-the-art cryptography, minimal codebase for security, supports cross-platform use, offers IPv4/IPv6, and ease of deployment' and is a very popular VPN Client in the security & privacy category. There are more than 50 alternatives to WireGuard for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best WireGuard alternative is OpenVPN Connect, which is both free and Open Source. Other great apps like WireGuard are Tailscale, Fossorial Pangolin, ZeroTier and Shadowsocks.