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Netdata vs iStat Server: catalog facts
Netdata	iStat Server
Freemium The agent is free and open source under the GPL 3.0. Netdata Cloud has a free tier and…	Free Free download from Bjango; the iStat View apps that display its data are separate…
Windows, macOS, Linux, Web, Self-hosted	Windows, macOS, Linux
Per-second metrics with dashboards that work the moment it is installed Auto-discovers common services and graphs them without configuration	Runs on macOS, Windows, Linux, BSD and other Unix-like systems Lets you watch several machines from one iStat View app
The sheer number of charts is overwhelming at first Uses more memory and disk than a minimal metrics agent	Needs iStat View for iOS or Mac to see the data Linux and other Unix builds require compiling
Self-hosted, Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is 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 October 1, 2026

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