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Zenarmor vs Skynet: catalog facts
Zenarmor	Skynet
Freemium Free to start, with paid plans for business features.	Free Free to use, with optional donations.
Linux, Self-hosted	Self-hosted, Command line
Web and application filtering on your own gateway Runs on a gateway, in the cloud or on an endpoint	Protects every device on the network from the router Threat feeds for blocking malicious IPs
Closed source Marketing and higher tiers are aimed at businesses	Only runs on ASUS routers with Asuswrt-Merlin firmware IPv4 blocking only
Self-hosted, Hosted service	Self-hosted
Closed source	Closed source
License: Proprietary	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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