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Netdata vs Nezha: catalog facts
Netdata	Nezha
Freemium The agent is free and open source under the GPL 3.0. Netdata Cloud has a free tier and…	Free Free and open source.
Windows, macOS, Linux, Web, Self-hosted	Linux, Self-hosted
Per-second metrics with dashboards that work the moment it is installed Auto-discovers common services and graphs them without configuration	Lightweight dashboard and agents SSL certificate expiry monitoring
The sheer number of charts is overwhelming at first Uses more memory and disk than a minimal metrics agent	Needs a server to host the dashboard Much of the community documentation is in Chinese
Self-hosted, Downloadable app	Self-hosted
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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