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Top Open Source Network Security Tools in 2026

A curated collection of the 1 best free and open-source Network Security 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
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Showing 1 of 1 open-source tools