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3x-ui vs Marzban: catalog facts
3x-ui	Marzban
Free Free to use; the source code is published on GitHub.	Free Free and open source under the AGPL-3.0 licence.
Web, Self-hosted	Web, Self-hosted
Supports a long list of proxy and tunnel protocols in one panel Multi-user management from a browser	Supports VMess, VLESS, Trojan and Shadowsocks Per-user traffic and expiry limits
Requires your own server and some networking knowledge Tied to Xray-core rather than other proxy engines	Requires your own server and Xray knowledge Aimed at operators rather than individual end users
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
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 September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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