Grafana Alloy
Apache-2.0 OpenTelemetry Collector distribution
Observability / Observability · Apache-2.0 · 3.6k
Reviewed 2026-10-18 · last push 2026-10-19 · repo checked 2026-10-19
What's Good
Apache-2.0 (grafana/alloy), release v1.20.1 (2026-09-28), the successor to Grafana Agent. Pipelines are written in an expression-based config language, it bundles dozens of OTel Collector components plus Prometheus, Loki and Pyroscope integrations, interacts with Kubernetes resources directly, shares pipelines as modules and distributes work across a cluster of Alloy instances. ★~3.6k.
The Catch
The Alloy config syntax is its own language, so it is another thing to learn on top of OTel YAML. It is tuned for Grafana backends; for a pure OTel setup, the upstream Collector may be simpler. Migrating from Grafana Agent or Promtail takes conversion work.
Verdict
The obvious collector if you run Grafana's LGTM stack.
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