Zabbix
100 · HealthyEnterprise monitoring for networks, servers, VMs and applications, with templates, triggers and escalations.
Open source alternatives to Site24x7
3 open source projects replace Site24x7, ranked by how safe each is to depend on.
Netdata
86 · HealthyPer-second infrastructure monitoring agent with auto-discovered metrics, dashboards and anomaly detection.
Uptime Kuma
83 · HealthyUptime monitor for HTTP, TCP, DNS and more, with status pages and many notification channels.
At a glance
Health and license are separate verdicts: a project can be well maintained and still not be open source.
| Project | Health | License | Stars |
|---|---|---|---|
| Zabbix | 100 · Healthy | Free, share hosted changesAGPL-3.0Relicensed 2024 | 6.5k |
| Netdata | 86 · Healthy | Free core, paid extrasGPL-3.0 | 81k |
| Uptime Kuma | 83 · Healthy | Free to useMIT | 92k |
More in Monitoring & error tracking
Site24x7 is a paid monitoring & error tracking product. See all open source monitoring & error tracking tools, ranked the same way.
Scores last refreshed from GitHub on 9 October 2026. How we score.