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Prometheus Node Exporter vs collectd: catalog facts
Prometheus Node Exporter	collectd
Free Free and open source, maintained by the Prometheus project.	Free Free and open source.
Linux, Command line	Linux, Self-hosted
Standard source of host metrics for Prometheus setups Collectors can be enabled or disabled individually	Small and fast, written in C Runs on embedded systems
Needs a Prometheus server to store and query the data No dashboards or alerting on its own	Collects data only; graphs need another tool Stable 5.x branch is old while 6.0 is still a release candidate
Downloadable app	Self-hosted
Open source	Open source
License: Apache-2.0	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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