PRODUCTIVITY
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREE
NAGIOS
Nagios is the industry-standard, open-source IT monitoring solution for servers, networks, and applications. Proactively detect issues, receive instant alerts, and optimize performance. Trusted by 1M+ users, it offers powerful alerting and enterprise-grade features, empowering organizations to ensure IT infrastructure health and reliability.
GITHUB STARS
2k
+12% this month
FORKS
475
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
107
Tracking updates
LICENSE
GPL-2.0
Commercial use
Nagios is the industry-standard, open-source IT monitoring solution for servers, networks, and applications. Proactively detect issues, receive instant alerts, and optimize performance. Trusted by 1M+ users, it offers powerful alerting and enterprise-grade features, empowering organizations to ensure IT infrastructure health and reliability.
High Performance
Built for speed and minimal overhead.
Self-hostable
Docker, Kubernetes, or bare metal
Developer Native
Programmable via any language workflow
SUPPORTED LANGUAGES
VISUAL INTERFACE
The Quick Glance
Status
Active
Category
Productivity
Pricing
Free
Self-Hosted
Yes
Available on
Windows
macOS
Linux
Latest Release
nagios-4.5.12
Mar 25, 2026Relative Standing — across 1,284 tools
STARS2k
Top 66% globally
FORKS475
Top 50% in Open Source
ACTIVITYModerate
Top 63% Activity
WATCHERS107
Top 33% Community