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beszel vs Zabbix: catalog facts
beszel	Zabbix
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the AGPL. Support and services are paid.
Self-hosted, Web	Linux, Web, Self-hosted
Keeps metric history and can monitor Docker containers.	Scales to tens of thousands of monitored devices with proxies Large template library covering common hardware and services
Requires a monitoring hub and agents on monitored systems.	Configuration is extensive; the learning curve is real Interface density makes simple setups feel heavy
Self-hosted	Self-hosted
Open source	Open source
License: MIT	License: AGPL-3.0
Not stated if an account is 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 22, 2026	Official website Full listing and sources Checked September 22, 2026

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