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Download Nagios

Choose the right network monitoring solution for your infrastructure needs. Download Nagios Core, XI, plugins, and agents for Windows, Linux, and network monitoring.

Downloads

Download Nagios Core, XI, & Plugins - Free Network Monitoring Software
Open Source
Nagios Core

The original open-source monitoring solution with powerful plugin architecture and community support. Perfect for monitoring network infrastructure, servers, and applications.

Linux Windows Unix
Download Nagios Core
Windows, Linux, & Mac
Nagios Cross-Platform Agent (NCPA)

Cross-platform monitoring agent that monitors Windows, Linux, and Mac systems in real-time. Lightweight agent for comprehensive system monitoring.

Real-time monitoring Lightweight
Download NCPA
50+ Essential Plugins
Nagios Plugins

Essential plugins including check_ping, check_ssh, check_cpu, check_memory, and more. Extend your monitoring capabilities with official plugins.

50+ plugins Official plugins
Download Nagios Plugins
Complete Package
Nagios Core Services Platform (CSP)

Get everything you need to start monitoring in one comprehensive package. Includes Nagios Core, plugins, and configuration tools.

Homelab Community
Download ZIP Get ISO Version

Open Source Community

Check out our GitHub for more open source projects, contribute to the community, and access the latest development versions.

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Enterprise Monitoring
Nagios XI

Comprehensive monitoring solution built on Nagios Core 4 with advanced web interface, automated discovery, and enterprise features.

Advanced Web UI Auto Discovery Enterprise Features
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Log Management
Nagios Log Server

Powerful log data management with scalability, built-in failover, and comprehensive dashboards for enterprise log analysis.

Scalable Built-in Failover Dashboards
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Network Traffic Analysis
Nagios Network Analyzer

Monitor network traffic, analyze bandwidth usage, and gain insights into network flow data with comprehensive network analysis tools.

Traffic Monitoring Bandwidth Analysis Flow Data
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Centralized Management
Nagios Fusion

Centralized interface for managing multiple Nagios installations across distributed environments with unified dashboards.

Centralized Multi-site Unified Dashboard
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Need Help Choosing the Right Solution?

Our monitoring experts can help you select the right monitoring solution for your organization's specific needs and infrastructure requirements.

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