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Libreswan vs Algo VPN: catalog facts
Libreswan	Algo VPN
Free Free software under GPLv2.	Free The open-source scripts are free. Cloud hosting is paid separately.
macOS, Linux, Command line	macOS, Linux, Command line
Standards-based IPsec with IKEv1 and IKEv2 Packaged in Fedora, RHEL/EPEL and Arch Linux	Strong cryptographic defaults chosen by a security firm, with nothing to tune Generates ready-to-import client configurations for every device
IPsec configuration has a steep learning curve No graphical interface	You pay for and maintain the cloud server yourself A personal VPN gives you a fixed address, which is not anonymity
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: AGPL-3.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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