Nagios Core — Monitoring (Open Source)

Nagios Core is an open-source Monitoring solution from Nagios. Compare it against 4 other Monitoring tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is Nagios Core?

Nagios Core is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Monitoring and published by Nagios. Buyers typically evaluate Nagios Core when they need a dependable Monitoring option and want to weigh the trade-offs between free, open-source and paid tools before committing.

• Category: Monitoring
• Brand: Nagios
• License: Open Source

Nagios Core alternatives

If Nagios Core isn't the right fit, compare these Monitoring alternatives side by side:

Frequently asked questions

← All Monitoring · More from Nagios