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Netdata vs Datadog: catalog facts
Netdata	Datadog
Freemium The agent is free and open source under the GPL 3.0. Netdata Cloud has a free tier and…	Paid Usage-based subscription with a free trial.
Windows, macOS, Linux, Web, Self-hosted	Android, iOS, Web
Per-second metrics with dashboards that work the moment it is installed Auto-discovers common services and graphs them without configuration	Metrics, logs, traces and security in one service Very broad range of integrations and products
The sheer number of charts is overwhelming at first Uses more memory and disk than a minimal metrics agent	Costs can grow quickly with usage Data is sent to a third-party cloud
Self-hosted, Downloadable app	Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Account needed
Works offline	Needs internet
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.