Best Open Source VPN & Secure Tunnels using CSS in 2026

Tailscale

Zero-config VPN with WireGuard for secure networking

Stars
32,072
Forks
2,615
Last commit
6 hours ago

Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.

Open Source Alternative to:

Zerotier

Netbird

Zero Trust networking with WireGuard-based secure connectivity

Stars
25,660
Forks
1,370
Last commit
4 hours ago

Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.

Open Source Alternative to:

Zerotier

Pangolin

Zero trust network access that's better than VPN

Stars
20,952
Forks
696
Last commit
6 hours ago

Deploy zero trust access to infrastructure, self-hosted apps, and SaaS tools in days. Identity-aware security with seamless user experience.

Open Source Alternative to:

Zerotier

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Tailscale

Zero-config VPN with WireGuard for secure networking

Stars
32,072
Forks
2,615
Last commit
6 hours ago

Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.

Open Source Alternative to:

Zerotier

Netbird

Zero Trust networking with WireGuard-based secure connectivity

Stars
25,660
Forks
1,370
Last commit
4 hours ago

Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.

Open Source Alternative to:

Zerotier

Pangolin

Zero trust network access that's better than VPN

Stars
20,952
Forks
696
Last commit
6 hours ago

Deploy zero trust access to infrastructure, self-hosted apps, and SaaS tools in days. Identity-aware security with seamless user experience.

Open Source Alternative to:

Zerotier

Open Source VPN & Secure Tunnels using CSS

A curated collection of the best open source virtual Private Networks and other tools for creating secure network connections. using CSS.

Tailscale

Netbird

Pangolin

Tailscale

Netbird

Pangolin