

Nagios Core is a powerful open-source monitoring tool for IT infrastructures. It helps businesses track servers, networks, and applications efficiently.
Key features
- Real-time monitoring of IT systems
- Customizable alerts and notifications
- Extensible through plugins
- Web-based interface for easy access
- Cross-platform compatibility
Pros
- Completely free and open source
- Strong community support and documentation
- Highly customizable with plugins
- Scalable for various IT environments
Cons
- Steeper learning curve for beginners
- Limited out-of-the-box features
- User interface may feel outdated