Download Nagios Fusion

Nagios® Fusion™ provides organizations with the ability to quickly identify and solve problems on an infrastructure-wide basis before they affect critical business processes. IT operations staff use Nagios Fusion to gain insight into the health of the organization’s entire network through a centralized view of their monitoring infrastructure. Tactical overview screens display the status of hosts and services monitored by all Nagios Core and Nagios XI servers deployed throughout the organization, enabling faster problem detection and resolution.

All downloads feature a free 60-day fully functional version of the software.


Choose from the options below to start monitoring:


VMWare 64bit VMWare 32bit


Source Install

Changes made in different Nagios Fusion releases may be found here.

The previous version may be found in our historical archive.

Want to get up and running quickly?

Schedule a free Nagios Quickstart. A Quickstart is a free one (1) hour session for our techs to install and initially configure Nagios software on your server. All you have to do is schedule a time that works for you. No purchase necessary.

Schedule Your Free Quickstart Now

Manual Installation Instructions

Want to manually install Nagios Fusion to a Linux server running RHEL or CentOS? No problem. Read how to do it.

Upgrade Instructions

Have an existing Nagios Fusion installation that needs to be updated? Download the latest source installer above to upgrade your installation to the newest version. Read the upgrade guide for instructions on updating your existing Fusion installation.

Bug and Feature Request Tracker

Want to report a bug, check on the status of a bug report, or request a new feature in Nagios Fusion? Visit

VMware Image Notes

You will need an ESX Server, VMware Workstation, Player or VirtualBox to run the virtual machine.

Be sure to read the documentation linked below to get some important information before using the Nagios Fusion virtual machine. The notes contain information on default credentials for the machine, as well as general information you’ll need to get started. Documentation on getting started.

Default CLI Credentials
User: nagiosfusion
Pass: nagiosfusion