The best open source alternative to Tailscale is OpenVPN Connect. If that doesn't suit you, our users have ranked more than 50 alternatives to Tailscale and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Tailscale are WireGuard, Headscale, NetBird and Fossorial Pangolin.
OpenVPN Connect provides flexible VPN solutions to secure your data communications, whether it's for Internet privacy, remote access for employees, securing IoT, or for networking Cloud data centers.
Implements modern cryptographic standards, maintains a small codebase for security auditing, ensures fast cross-platform VPN performance, supports embedded and enterprise environments, offers easy deployment, IPv4/IPv6, secure key exchange, and mobile app support.
An open source, self-hosted implementation of the Tailscale control server. HeadScale-ui is a complementary project to have a Web UI for this.
NetBird is an open-source Zero Trust networking platform that makes it easy for engineers to create fast, secure, and private networks with simple, decentralized management.
Open-source platform enabling secure, seamless remote access via WireGuard tunnels with identity-based controls, a unified dashboard for monitoring and configuration, automatic SSL management, granular policy enforcement, and exposure of private resources behind firewalls.
Journalists need safe access to information to research issues, communicate with sources, and report the news. Outline lets news organizations easily provide their network safer access to the open internet.
SoftEther VPN ("SoftEther" means "Software Ethernet") is one of the world's most powerful and easy-to-use multi-protocol VPN software. It runs on Windows, Linux, Mac, FreeBSD and Solaris.
Combines classic VPN, free regional access, and easy self-hosted setup inside one open-source app. Built for censorship-heavy environments, it uses an enhanced WireGuard protocol, supports many platforms, offers region switching, and passed 7ASecurity audits.
This is an alternative Android Application for WireGuard and Amnezia VPN with added features. Built using the wireguard-android library and Jetpack Compose, this application was inspired by the...
tinc is a Virtual Private Network (VPN) daemon that uses tunnelling and encryption to create a secure private network between hosts on the Internet.
Netmaker is a tool for creating and managing virtual networks. Netmaker consists of a server, an agent, and a UI. You spin up the Netmaker server and then install netclient (the agent) on your computers. Netmaker will do the rest.
Nebula is a scalable overlay networking tool with a focus on performance, simplicity and security. It lets you seamlessly connect computers anywhere in the world. Nebula runs on Linux, OSX, and Windows. Mobile is in active development.
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Tailscale is a VPN-based mes SDN, while OpenVPN is just VPN and nothing more.