StrongSwan.org
strongSwan is an Open Source IPsec-based VPN solution for Linux and other UNIX based operating systems implementing both the IKEv1 and IKEv2 key exchange protocols.
- Open Source
Best StrongSwan.org Alternatives & Competitors in 2025
The best StrongSwan.org alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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/openvpn-alternativesOpenVPN - The Open Source VPN
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/wireguard-alternativesFast, Modern, Secure VPN Tunnel
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Visit websitePlexTrac is the #1 AI-powered platform for pentest reporting and threat exposure management, helping cybersecurity teams efficiently address the most critical threats and vulnerabilities.
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/outline-by-alphabet-alternativesControl and build your own VPN 🛠️
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/radmin-vpn-alternativesRadmin VPN allows you to securely connect computers, located behind firewalls. Download it Free.
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/zerotier-one-alternativesExtremely simple P2P Encrypted VPN
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/libreswan-alternativesLibreswan is a free software implementation of the most widely supported and standardized VPN protocol using "IPsec" and the Internet Key Exchange ("IKE").
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/openconnect-alternativesVPN client compatible with Cisco AnyConnect SSL VPN
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/protonvpn-alternativesProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
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/v2ray-alternatives
A platform for building proxies to bypass network restrictions.
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/tailscale-alternativesPrivate networks made easy Connect all your devices using WireGuard, without the hassle. Tailscale makes it as easy as installing an app and signing in.
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/amnezia-vpn-alternativesFree service to create a personal VPN on your server
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/hamachi-alternativesHamachi is a VPN service scaled to the unique needs of business owners.
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/cisco-anyconnect-secure-mobility-client-alternativesGet much more than industry-leading VPN client connectivity. Cisco AnyConnect protects your enterprise resources through a single agent. See how.
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