7 self-hosted options
Open-source alternatives to Datadog
The best open-source alternative to Datadog is Uptime Kuma (MIT, 92,919 GitHub stars, Docker image). Netdata stands out for the most recent release (v2.12.2, October 2026), and Grafana stands out for the most commits in the last 12 months (11,777).
About Datadog: A cloud monitoring platform for metrics, logs and traces.
Updated · data from GitHub, refreshed daily
Top picks
- Rank 1:
Uptime Kuma
louislam/uptime-kuma
Easy-to-use self-hosted uptime monitor with status pages and 90+ notification channels.
Active · last commit Oct 26, 2026
Monitoring & Status PagesJavaScriptDockerStands out for the most GitHub stars.
- Rank 2:
Netdata
netdata/netdata
Real-time infrastructure monitoring with per-second metrics and zero-config dashboards.
Active · last commit Oct 26, 2026
Monitoring & Status PagesGoDockerStands out for the most recent release (v2.12.2, October 2026).
- Rank 3:
Grafana
grafana/grafana
Dashboards and visualization for metrics, logs and traces from Prometheus, Loki and dozens of other sources.
Active · last commit Oct 26, 2026
Monitoring & Status PagesTypeScriptDockerStands out for the most commits in the last 12 months (11,777).
At a glance
Datadog alternatives compared
Open-source apps come first, then source-available ones and apps whose license appsgit could not verify; within each group, projects with at least 12 commits in the last 12 months come before less active or archived ones, then by GitHub stars.
| App | Stands out for | License | GitHub stars | Commits (12 mo) | Last commit | Docker image |
|---|---|---|---|---|---|---|
| Uptime Kuma | the most GitHub stars | MIT | 92,919 | 1,368 | Oct 26, 2026 | Yes |
| Netdata | the most recent release (v2.12.2, October 2026) | GPL-3.0 | 81,134 | 2,739 | Oct 26, 2026 | Yes |
| Grafana | the most commits in the last 12 months (11,777) | AGPL-3.0 | 77,511 | 11,777 | Oct 26, 2026 | Yes |
| Prometheus | a permissive Apache-2.0 license | Apache-2.0 | 66,772 | 2,760 | Oct 26, 2026 | Yes |
| SigNoz | a permissive MIT license | MIT | 32,454 | 1,998 | Oct 26, 2026 | Yes |
| Zabbix | – | AGPL-3.0 | 6,507 | 12,423 | Oct 23, 2026 | Yes |
| Checkmk | – | GPL-2.0 | 2,617 | 22,683 | Oct 26, 2026 | Yes |
Full list
All 7 Datadog alternatives
Open any app for live stats, license details and a deploy option.
- 1
Uptime Kuma
Easy-to-use self-hosted uptime monitor with status pages and 90+ notification channels.
Monitoring & Status PagesDockerStands out for the most GitHub stars. Uptime Kuma has 92,919 GitHub stars, uses the MIT license, ships a Docker image and had 1,368 commits in the last year.
- 2
Netdata
Real-time infrastructure monitoring with per-second metrics and zero-config dashboards.
Monitoring & Status PagesDockerStands out for the most recent release (v2.12.2, October 2026). Netdata has 81,134 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 2,739 commits in the last year.
- 3
Grafana
Dashboards and visualization for metrics, logs and traces from Prometheus, Loki and dozens of other sources.
Monitoring & Status PagesDockerStands out for the most commits in the last 12 months (11,777). Grafana has 77,511 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 11,777 commits in the last year.
- 4
Prometheus
Metrics-based monitoring and alerting toolkit with a powerful query language, built for cloud-native systems.
Monitoring & Status PagesDockerStands out for a permissive Apache-2.0 license. Prometheus has 66,772 GitHub stars, uses the Apache-2.0 license, ships a Docker image and had 2,760 commits in the last year.
- 5
SigNoz
Open-source observability platform for logs, metrics and traces built on OpenTelemetry.
Monitoring & Status PagesDockerStands out for a permissive MIT license. SigNoz has 32,454 GitHub stars, uses the MIT license, ships a Docker image and had 1,998 commits in the last year.
- 6
Zabbix
Enterprise-class open-source monitoring for networks, servers, VMs and cloud services.
Monitoring & Status PagesDockerZabbix has 6,507 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 12,423 commits in the last year.
- 7
Checkmk
Scalable IT infrastructure and application monitoring for servers, networks and cloud.
Monitoring & Status PagesDockerCheckmk has 2,617 GitHub stars, uses the GPL-2.0 license, ships a Docker image and had 22,683 commits in the last year.
Is there a free alternative to Datadog?
Yes. All 7 apps on this page are open source and free to self-host, so you can replace Datadog without per-user fees. You pay only for the server.
Can I self-host an alternative to Datadog with Docker?
Yes. All 7 apps here publish a Docker image, including Uptime Kuma, Netdata and Grafana, so you can run them on a home server or VPS with Docker Compose.
Which Datadog alternative is the most actively developed?
Checkmk (GPL-2.0), with 22,683 commits in the last 12 months. Activity is a good sign that bugs and security issues get fixed.
How is this list ranked?
Open-source apps come first, then source-available ones and apps whose license appsgit could not verify; within each group, projects with at least 12 commits in the last 12 months come before less active or archived ones, then by GitHub stars.