Software Alternatives, Accelerators & Startups

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.

Top 12 Open-Source Alternatives to StrongSwan.org

StrongSwan.org
WireGuard OpenVPN Outline by Alphabet ZeroTier ProtonVPN Tinc VPN TailScale Windscribe Shadowsocks SoftEther

Summary

The top open-source alternatives to StrongSwan.org are WireGuard, OpenVPN, and Outline by Alphabet. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. Fast, Modern, Secure VPN Tunnel
    Pricing:
    • Open Source

    #Security & Privacy #VPN #Cloud VPN 9 social mentions

  2. OpenVPN - The Open Source VPN
    Pricing:
    • Open Source

    #Security & Privacy #VPN #Cloud VPN 40 social mentions

  3. Control and build your own VPN 🛠️
    Pricing:
    • Open Source

    #VPN #Security #Security & Privacy 64 social mentions

  4. Extremely simple P2P Encrypted VPN
    Pricing:
    • Open Source

    #Security & Privacy #VPN #Cloud VPN 35 social mentions

  5. ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
    Pricing:
    • Open Source

    #VPN #Cloud VPN #Security 310 social mentions

  6. tinc is a Virtual Private Network (VPN) daemon that uses tunnelling and encryption to create a...
    Pricing:
    • Open Source

    #Security & Privacy #VPN #Cloud VPN 12 social mentions

  7. Private networks made easy Connect all your devices using WireGuard, without the hassle. Tailscale makes it as easy as installing an app and signing in.
    Pricing:
    • Open Source

    #Security & Privacy #VPN #Cloud VPN 504 social mentions

  8. Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.
    Pricing:
    • Open Source

    #VPN #Security #Cloud VPN 140 social mentions

  9. A fast tunnel proxy that helps you bypass firewalls
    Pricing:
    • Open Source

    #VPN #Security #Cloud VPN 9 social mentions

  10. SoftEther VPN ("SoftEther" means "Software Ethernet") is one of the world's most powerful and easy-to-use multi-protocol VPN software. It runs on Windows, Linux, Mac, FreeBSD and Solaris.
    Pricing:
    • Open Source

    #VPN #VPN Software #Gaming VPN 2 social mentions

  11. Simple OpenVPN Client and GUI. Additional integration available when connecting to a Pritunl server.
    Pricing:
    • Open Source

    #VPN #Security & Privacy #Cloud VPN 4 social mentions

  12. RiseupVPN is an easy, fast, and secure VPN service from https://riseup.net. RiseupVPN does not require a user account, keep logs, or track you in any way.
    Pricing:
    • Open Source

    #VPN #VPN Software #Cloud VPN 21 social mentions

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