strongSwan — IPsec VPN (Open Source)

strongSwan is an open-source IPsec VPN solution. Review its features and licensing on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is strongSwan?

strongSwan is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under IPsec VPN. Buyers typically evaluate strongSwan when they need a dependable IPsec VPN option and want to weigh the trade-offs between free, open-source and paid tools before committing.

Frequently asked questions

Is strongSwan free?
Yes. strongSwan is open source and free to use, with no purchase cost for the core product.
What type of software is strongSwan?
strongSwan is an open-source IPsec VPN tool.

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