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Top Open Source VPN & Secure Access Tools in 2026

A curated collection of the 6 best free and open-source VPN & Secure Access tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • FireZone

    Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.

    Stars
    9,042
    Last commit
    10d ago
    License
    Apache-2.0

  • 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

  • OpenVPN

    Secure VPN for business remote access

    Stars
    14,442
    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 6 of 6 open-source tools