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Datadog vs New Relic

Self-host either: open-source alternatives compared. · Category: observability & analytics

Both Datadog and New Relic are in the observability & analytics category. 2 open-source projects (SigNoz, Grafana stack (Mimir + Loki + Tempo)) self-host as a replacement for both — listed below alongside the picks unique to each.

DatadogNew Relic
CategoryObservability (metrics + logs + traces + APM)APM / observability platform
SaaS pricing anchor$15-23/host/mo for Pro/Enterprise APM, plus per-GB log chargesFree 100GB/mo + 1 user; Standard $0.30/GB ingested; Enterprise from $0.50/GB
Self-host options listed33

Replaces both — 2 shared open-source picks

These open-source projects appear on both /datadog/ and /new-relic/ — picking one solves the migration off either SaaS.

SigNozSigNoz/signozalivereplaces both

GitHub
★ 26.9k · last commit today
License
MIT
Setup time
20min docker-compose
Monthly cost
$20 VPS (4GB RAM minimum) for a small fleet; ClickHouse is the heavy part.

Grafana stack (Mimir + Loki + Tempo)grafana/grafanaalivereplaces both

GitHub
★ 73.7k · last commit today
License
AGPL-3.0
Setup time
1-2h to wire up the LGTM stack via docker-compose; multi-day to do it production-grade
Monthly cost
$20-40 VPS for a small setup; cost scales with retention (S3 / object store strongly recommended).

Picks unique to each

Datadog only

  • Uptracealive
    AGPL-3.030min docker-compose$10-20 VPS for a small fleet; ClickHouse + Postgres backend.

New Relic only

  • AGPL-3.015min single-binary or docker run$15-40/mo VPS; storage backed by S3-compatible object storage keeps cost predictable.

In a terminal? npx os-alt datadog or npx os-alt new-relic prints either side — how the CLI works →

FAQ

Which open-source self-host alternatives replace both Datadog and New Relic?

2 open-source projects appear on both /datadog/ and /new-relic/: SigNoz, Grafana stack (Mimir + Loki + Tempo).

How many self-host alternatives are listed for Datadog and New Relic?

3 for Datadog, 3 for New Relic.

Are all the self-host alternatives free?

Yes — every listed option is open source. Your cost is the VPS or hardware that runs it.