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Libreswan vs WireGuard: catalog facts
Libreswan	WireGuard
Free Free software under GPLv2.	Free Free software. WireGuard is a protocol and a set of clients, not a subscription service…
macOS, Linux, Command line	Windows, macOS, Linux, Android, iOS, Command line
Standards-based IPsec with IKEv1 and IKEv2 Packaged in Fedora, RHEL/EPEL and Arch Linux	Connections are made by exchanging public keys, in the same way as SSH keys Designed to be implemented in very few lines of code and to be easy to audit
IPsec configuration has a steep learning curve No graphical interface	It is plumbing, not a product: you need a server endpoint, from your own machine or a provider Each peer needs a static tunnel IP address, configured by hand or by another tool
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.