Lin Song

Lin Song, PhD, is a software engineer, author, and open source developer. He creates practical tools for self-hosted AI, online privacy, and secure infrastructure, including the Self-Hosted AI Stack and Setup IPsec VPN projects. Since 2014, his VPN projects have collectively earned 40,000 GitHub stars, while their Docker images have been pulled more than 30 million times, helping millions of users build and manage their own VPN servers.

He is the author of The Self-Hosted AI Builder’s Guide, Privacy Tools in the Age of AI, and practical guides to building IPsec, OpenVPN, and WireGuard servers. His work combines maintained open source projects with clear, practical guidance for building and operating systems you control.