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Grafana Alloy vs collectd: catalog facts
Grafana Alloy	collectd
Free Free and open source from Grafana Labs.	Free Free and open source.
Self-hosted	Linux, Self-hosted
One collector for logs and other telemetry Replacement for the retired Promtail	Small and fast, written in C Runs on embedded systems
Only a collector; needs Loki, Grafana or another backend to be useful Configuration takes time to learn	Collects data only; graphs need another tool Stable 5.x branch is old while 6.0 is still a release candidate
Self-hosted	Self-hosted
Open source	Open source
License not stated	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.