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Top Open Source VPN & Secure Tunnels Tools in 2026

A curated collection of the 4 best free and open-source VPN & Secure Tunnels tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Tailscale

    Zero-config VPN for secure remote access

    Stars
    35,633
    Last commit
    10d ago
    License
    BSD-3-Clause

  • Pangolin

    Zero trust remote access platform replacing traditional VPNs

    Stars
    22,502
    Last commit
    11d ago
    License
    Open Source

  • Netbird

    Open source Zero Trust Networking platform

    Stars
    28,678
    Last commit
    10d ago
    License
    Open Source

  • Defguard

    Zero-trust access management with WireGuard 2FA

    Stars
    2,809
    Last commit
    27d ago
    License
    Open Source
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Showing 4 of 4 open-source tools