Datadog alternatives: 8 open-source picks
Datadog costs $15/mo — $180 a year. These 8 alternatives replace it for $0, led by Netdata, Grafana and Prometheus. All 8 are open source. License, stars and last commit checked by hand on 2026-08-29. No trials, no crippled tiers.
Per-second real-time monitoring that auto-discovers everything on a node with zero configuration.
licenseGPL-3.0
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
The de-facto open dashboarding platform — visualize metrics, logs, and traces from any source.
licenseAGPL-3.0
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
Pull-based metrics collection and alerting that powers monitoring at half the internet.
licenseApache-2.0
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
A single-binary observability stack that remembers storage is not free.
licenseAGPL-3.0
runsyour machine or their cloud
installHosted signup, or a single binary/Docker container; Helm plus external services for HA
dataTelemetry is stored as Apache Parquet on local disk or object storage; single-node metadata defaults to SQLite, while HA uses PostgreSQL and NATS.
the catch vs DatadogIt covers logs, metrics, and traces, but the agent ecosystem, RUM, synthetics, security products, integrations, and managed operations are much narrower than Datadog's.
setupThe easy single-node path still needs collectors and persistent storage; production HA adds Kubernetes, object storage, PostgreSQL, and NATS.
facts verified 2026-08-14
Logs, traces, errors and session replay joined at the hip.
eBPF observability with opinions; best when your apps live in containers.
licenseApache-2.0
runsyour server
installDocker Compose for one host, or the Kubernetes Operator/Helm for a cluster
enginesCore observability is non-AI; optional root-cause investigations connect to Coroot Cloud or configured Anthropic, OpenAI, Azure OpenAI, Groq, Mistral, Ollama, or OpenAI-compatible endpoints.
dataMetrics use Prometheus-compatible storage or ClickHouse, while logs, traces, and profiles use ClickHouse; configuration uses SQLite by default or PostgreSQL.
the catch vs DatadogIt is strongest for Linux containers and Kubernetes, but lacks Datadog's breadth across integrations, synthetics, RUM, security, cloud services, and managed global operation.
setupThe eBPF node agent needs a supported Linux kernel and privileged host access on every node, and the product is most natural for containers and Kubernetes.
facts verified 2026-08-14
Monitoring, incidents and status pages in one stack; simplicity did not survive.
licenseApache-2.0
runsyour machine or their cloud
installHosted signup, or the release-branch Docker Compose stack; Helm is the production path
enginesIts AI features can connect to OpenAI, Azure OpenAI, Anthropic, Groq, Mistral, Ollama, and OpenAI-compatible servers such as vLLM, LocalAI, or LM Studio.
dataSelf-hosted telemetry is stored in ClickHouse, application state and configuration in PostgreSQL, and cache, queues, and sessions in Redis.
the catch vs DatadogIt covers many adjacent jobs, but its self-hosted stack is far heavier to run and its integration depth and polish trail Datadog's mature managed platform.
setupThe recommended self-hosted footprint is large and production requires secrets, TLS, backups, database care, and frequent upgrades rather than a single lightweight monitor.
facts verified 2026-08-14
Self-hosted uptime monitor with status pages, 90+ notification channels, and a slick dashboard
licenseMIT
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
What each one is, in full: Netdata · Grafana · Prometheus
last updated 2026-08-29 · no votes, no pay-to-list · just what's real
the usual suspects · recommended everywhere, rejected here
Uptime KumaA good uptime dashboard, not a replacement for metrics, logs, traces and APM.
how to choose a Datadog alternative
Easiest to get running
Netdata — a one-click install, no server to maintain.
Most proven
Netdata, with 73,000 GitHub stars — the largest community of the 8, which usually means more answers when something breaks.
Needs real ops to self-host
Coroot and OneUptime are capable but expect someone to run a server, updates and backups. Budget for that before choosing one.
what you give up by leaving Datadog
- huge integration catalog, global ingestion, correlation, retention, security, and support
- global probe network
- phone and SMS delivery
- massive retention
- advanced incident response and support
None of the picks above covers all of it. The full verdict says which gaps matter.
Datadog alternatives at a glance
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Netdata | GPL-3.0 | one-click install | self-hosted, web | 73,000 | 2026-08 |
| Grafana | AGPL-3.0 | docker to self-host | self-hosted, web | 65,000 | 2026-08 |
| Prometheus | Apache-2.0 | docker to self-host | self-hosted, web | 57,000 | 2026-08 |
| OpenObserve | AGPL-3.0 | docker to self-host | web, self-hosted | 20,578 | 2026-08 |
| HyperDX | open source | docker to self-host | web, self-hosted | 9,798 | 2026-08 |
| Coroot | Apache-2.0 | self-host, real ops | web, self-hosted | 7,900 | 2026-08 |
| OneUptime | Apache-2.0 | self-host, real ops | web, self-hosted | 7,400 | 2026-08 |
| Uptime Kuma | MIT | one-click install | self-hosted, web | 68,000 | 2026-08 |
why people still pay for Datadog
People still pay for Datadog because monitoring must continue working during the exact outage it reports, which makes independent infrastructure and alert delivery the real product. The recurring cost buys probe geography, clocks, retries, deduplication, sampling, storage, paging, notification delivery, on-call rules, and its own uptime, not just the visible interface. If none of that applies to you, any pick above saves $180 a year.
questions about switching from Datadog
Is there an open-source alternative to Datadog?
Yes: Netdata, Grafana, Prometheus and 5 more. Every tool on this page is open source: no trials, no crippled tiers.
Can open source really replace Datadog?
Our verdict is YES. Netdata (73k stars), Uptime Kuma (68k stars), Grafana (65k stars) are mature open-source replacements for Datadog — self-host in one command and stop paying $15/mo. The full verdict, and what you give up by switching, is at caniopensourceit.online/datadog.
What is the easiest open-source Datadog alternative to set up?
Netdata — a one-click install, no server to maintain.
What is the most popular open-source Datadog alternative?
By GitHub stars, Netdata (73,000). Uptime Kuma is next with 68,000.
