# Best Nagios Core Alternatives 2026 | Capterra > Looking for alternatives to Nagios Core? Find out how Nagios Core stacks up against its competitors with real user reviews, pricing information, and what features they offer. Source: https://www.capterra.com/p/152751/Nagios-Core/alternatives --- # Alternatives to Nagios Core [4.1 (34)](https://www.capterra.com/p/152751/Nagios-Core/reviews/) Write a Review! [View Profile](https://www.capterra.com/p/152751/Nagios-Core/) Tabset anchor ## Top Nagios Core Alternatives Nagios Core * * * Starting from: $0/One Time Pricing Model: Flat Rate * * * Overall Rating: [4.1 (34)](https://www.capterra.com/p/152751/Nagios-Core/reviews/) Ease of Use 3.5 Customer Service 3.4 Features 4.1 Value for Money 4.5 * * * Starting from: $10/Per Month Pricing Model: Flat Rate * * * Overall Rating: [4.7 (343)](https://www.capterra.com/p/168192/Site24x7/reviews/) Ease of Use 4.5 Customer Service 4.5 Features 4.6 Value for Money 4.5 * * * Starting from: $100/Per Month Pricing Model: Flat Rate * * * Overall Rating: [4.7 (107)](https://www.capterra.com/p/80467/Uptrends/reviews/) Ease of Use 4.4 Customer Service 4.7 Features 4.5 Value for Money 4.4 * * * Starting from: $39/Per Month Pricing Model: Flat Rate * * * Overall Rating: [4.7 (260)](https://www.capterra.com/p/150695/Lucky-Orange/reviews/) Ease of Use 4.6 Customer Service 4.7 Features 4.6 Value for Money 4.6 Tabset anchor All Nagios Core Alternatives At a Glance Top Alternatives for Nagios Core - [Site24x7](#product_318c9969-a6b3-4cd2-8f74-a6d200b696d4) - [Uptrends](#product_b8f1233d-3575-44b8-afe9-a6d200b73cad) - [Lucky Orange](#product_a55ba2ac-027a-48c1-9a38-a6d200b5007d) - [ManageEngine Applications Manager](#product_b867b760-baee-4d6c-b15f-a7e100470114) - [Uptimerobot](#product_ca57084d-ded2-4a32-bedc-7811c9869cc4) Tabset anchor by ManageEngine [4.6 (255)](https://www.capterra.com/p/172323/ManageEngine-Applications-Manager/reviews/) Ensure your mission-critical business applications meet end-user expectations with 360-degree monitoring from Applications Manager. [Learn more about ManageEngine Applications Manager](https://www.capterra.com/p/172323/ManageEngine-Applications-Manager/) Compare Tabset anchor ## [Uptimerobot](https://www.capterra.com/p/234440/Uptimerobot/) by Uptime Robot Service Provider [4.8 (72)](https://www.capterra.com/p/234440/Uptimerobot/reviews/) UptimeRobot is a hassle-free uptime monitoring solution with advanced cost-effective features and plans. Keep your services running. [Learn more about Uptimerobot](https://www.capterra.com/p/234440/Uptimerobot/) Compare Tabset anchor ## [Oh Dear](https://www.capterra.com/p/190028/Oh-Dear/) by Oh Dear! [4.9 (72)](https://www.capterra.com/p/190028/Oh-Dear/reviews/) Oh Dear is a website monitoring software that checks uptime, SSL certificates, broken links, mixed content, and more. [Learn more about Oh Dear](https://www.capterra.com/p/190028/Oh-Dear/) Compare Tabset anchor ## [Screpy](https://www.capterra.com/p/209021/Screpy/) by Screpy [4.8 (236)](https://www.capterra.com/p/209021/Screpy/reviews/) Web analysis tool that can analyze all pages of your websites in one dashboard and monitor them with your team. [Learn more about Screpy](https://www.capterra.com/p/209021/Screpy/) Compare Tabset anchor ## [Google Alerts](https://www.capterra.com/p/202337/Google-Alerts/) by Google [4.7 (315)](https://www.capterra.com/p/202337/Google-Alerts/reviews/) Cloud-based competitive intelligence solution that enables businesses to receive alerts via notifications in case of content changes. [Learn more about Google Alerts](https://www.capterra.com/p/202337/Google-Alerts/) Compare Tabset anchor ## [SiteGuru](https://www.capterra.com/p/160464/Siteguru/) by SiteGuru [4.8 (175)](https://www.capterra.com/p/160464/Siteguru/reviews/) SiteGuru simplifies SEO with audits, content improvements, and keyword tracking—ideal for agencies and marketers of all levels. [Learn more about SiteGuru](https://www.capterra.com/p/160464/Siteguru/) Compare Tabset anchor ## [Robot.alp](https://www.capterra.com/p/241973/Robotalp/) by Mantiksal [5.0 (25)](https://www.capterra.com/p/241973/Robotalp/reviews/) A website uptime monitoring platform which will check your all services, automatically notifies you. [Learn more about Robot.alp](https://www.capterra.com/p/241973/Robotalp/) Compare Tabset anchor ## [dVirtualUser](https://www.capterra.com/p/10005777/dVirtualUser/) by dParadig [4.7 (16)](https://www.capterra.com/p/10005777/dVirtualUser/#reviews) Cloud-based tool that simulates a real user browsing your websites to detect problems and alert. [Learn more about dVirtualUser](https://www.capterra.com/p/10005777/dVirtualUser/) Compare Tabset anchor ## [Zabbix](https://www.capterra.com/p/135902/Zabbix-Monitoring-Solution/) by Zabbix [4.7 (110)](https://www.capterra.com/p/135902/Zabbix-Monitoring-Solution/reviews/) Zabbix is monitoring software streamlining network and application oversight with enterprise-class features in an open-source format. [Learn more about Zabbix](https://www.capterra.com/p/135902/Zabbix-Monitoring-Solution/) Compare Tabset anchor ## [Amazon CloudWatch](https://www.capterra.com/p/204333/Amazon-CloudWatch/) by Amazon Web Services [4.5 (91)](https://www.capterra.com/p/204333/Amazon-CloudWatch/reviews/) Observability of your AWS resources and applications on AWS and on-premises [Learn more about Amazon CloudWatch](https://www.capterra.com/p/204333/Amazon-CloudWatch/) Compare Tabset anchor ## [Datadog](https://www.capterra.com/p/135453/Datadog-Cloud-Monitoring/) by Datadog [4.6 (357)](https://www.capterra.com/p/135453/Datadog-Cloud-Monitoring/reviews/) Gain full visibility into your applications and infrastructure with Datadog’s real-time monitoring, security, and analytics. [Learn more about Datadog](https://www.capterra.com/p/135453/Datadog-Cloud-Monitoring/) Compare Tabset anchor ## [Corgi.pro](https://www.capterra.com/p/10025812/Corgi/) by korg.software [5.0 (11)](https://www.capterra.com/p/10025812/Corgi/#reviews) Cloud-based website management and monitoring tool that helps businesses handle security, backups, and updates on WordPress sites. [Learn more about Corgi.pro](https://www.capterra.com/p/10025812/Corgi/) Compare Software Found In - [Website Monitoring Software](https://www.capterra.com/website-monitoring-software/)