---
description: Quickly find and compare the leading Nagios Core vs Oh Dear alternatives. Comprehensive listing of competitors & similar tools for fast software selection and to contact several providers directly.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: Compare Nagios Core vs Oh Dear | GetApp Canada 2026
---

Breadcrumb: [Home](/) > [Website Monitoring Software](/directory/113/website-monitoring/software) > [Nagios Core \<span\>vs\</span\> Oh Dear](https://www.getapp.ca/compare/2053325/2079635/nagios-core/vs/oh-dear)

# Compare Nagios Core vs Oh Dear

Canonical: https://www.getapp.ca/compare/2053325/2079635/nagios-core/vs/oh-dear

> Detailed comparison between Nagios Core and Oh Dear. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Nagios Core | Oh Dear |
| **Overall rating** | 4.1/5 | 4.9/5 |
| **Total Reviews** | 34 | 72 |
| **Starting Price** | US$0.00 | €15.00 |
| **Free Trial** | Yes | Yes |
| **Free Version** | Yes | No |
| **Deployment** | Cloud, SaaS, Web-based, Windows (On-Premise), Linux (On-Premise) | Cloud, SaaS, Web-based |
| **Support** | FAQs/Forum, Knowledge Base Software, Chat | Email/Help Desk, FAQs/Forum, Knowledge Base Software, Chat |
| **Training Software** | Webinars, Documentation, Videos | In Person, Documentation, Videos |

## Key features

### Nagios Core

- API
- Alerts/Notifications
- Data Visualization Software
- FTP Monitoring
- IT, Server & Network Monitoring Software
- User Management

### Oh Dear

- API
- Activity Tracking
- Alerts/Notifications
- Application Management
- Customizable Reports
- Data Visualization Software
- Event Logs
- FTP Monitoring
- For MSPs
- For Websites
- IT, Server & Network Monitoring Software
- Mobile Alerts
- Monitoring
- Multi-Location Monitoring
- Network Mapping
- Performance Management
- Real-Time Data
- SSL Monitoring
- Scheduled Testing
- User Management

## Links

- [View Nagios Core Profile](https://www.getapp.ca/software/2053325/nagios-core)
- [View Oh Dear Profile](https://www.getapp.ca/software/2079635/oh-dear)
- [View Original Comparison](https://www.getapp.ca/compare/2053325/2079635/nagios-core/vs/oh-dear)

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