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Zen vs dnscrypt-proxy: catalog facts
Zen	dnscrypt-proxy
Free Free and open source.	Free Free and open source under the ISC licence.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Covers all browsers and apps with one install Blocks trackers as well as ads	DNS-over-HTTPS, DNSCrypt, Anonymized DNS and Oblivious DoH in one proxy Hides your address through Tor, SOCKS proxies or relays
Network-level filtering may need troubleshooting with some apps Not available for mobile devices	Configured by editing a TOML file; there is no interface Running it on one machine protects only that machine
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: ISC
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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