compare
Nagios Core vs Sensu Go
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Nagios Core | Sensu Go |
|---|---|---|
| Language | C | Go |
| Licence | GPL-2.0 | MIT |
| Stars | 2.1k | 1.1k |
| Latest | nagios-4.5.14 | v6.15.0 |
| Last push | 2026-08-07 | 2026-10-14 |
| Release cadence | about 69 days between releases | about 82 days between releases |
| Active contributors | 2 commit authors on the default branch in the last 90 days | 0 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Sensu Go replaces Nagios Core. Alternatives to Nagios Core →
Full replacementCheck-based monitoring with agents that push events and handlers for alerting.
Nagios Core
- nagios-4.5.142026-08-05Release 4.5.14
- nagios-4.5.132026-05-28Release 4.5.13
- nagios-4.5.122026-03-25Release 4.5.12
- nagios-4.5.112026-01-15Release 4.5.11
- nagios-4.5.102025-10-28Release 4.5.10
Sensu Go
- v6.15.02026-10-14Disabling agent account doesn’t terminate active connections - Fix
- v6.14.22026-06-15Upgrade packages
- v6.14.12026-05-04This release is the v6.14.1 release of Sensu Go. It was tagged from SHA 73aeab248fc1bf73e77683f32c52b87e7bc05d52.
- v6.14.02026-04-15This release is the v6.14.0 release of Sensu Go. It was tagged from SHA 7115c7e8cc1d3078820e34c48d1fa03314f1388c.
- v6.13.12025-05-28This release is the v6.13.1 release of Sensu Go. It was tagged from SHA de8593ec5aca19dcf712151925d871a3d289ded0.
Nagios Core
unsigned The latest release, nagios-4.5.14, carries no signature GitHub could verify.
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Sensu Go
✓ signed The latest release, v6.15.0, carries a signature GitHub verified.
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