Nagios Alternatives & Competitors

Track, record, alert and visualize performance and availability of IT resources.

Key Zabbix features:

Open-source Scalability Comprehensive Monitoring Alerting and Notification

Open Source free

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

Key Datadog features:

Comprehensive Monitoring Integration Ecosystem Scalability Real-Time Data

freemium $15 / Monthly (per host)

Uptime monitoring, status pages, and error tracking that show every region's reading, not one green dot. Flat pricing, no per-subscriber fees, real free tier.

Key RealUptime.io features:

Regional monitoring Public status pages Error tracking Vendor outage alerts

Try for free freemium $18.99 / Monthly (Monitor Growth)

An advanced network monitoring solution to monitor network up/downtime, traffic and usage.

Key Paessler PRTG features:

Comprehensive Monitoring User-Friendly Interface Customization and Flexibility Scalability

New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.

Key NewRelic features:

Comprehensive Monitoring Real-Time Data Advanced Alerting User-Friendly Interface

Splunk's operational intelligence platform helps unearth intelligent insights from machine data.

Key Splunk features:

Powerful Data Analysis Real-Time Processing Scalability Wide Range of Integrations

An open-source systems monitoring and alerting toolkit.

Key Prometheus features:

Powerful Query Language Dimensional Data Model Auto-Discovery Alerting

Open Source

Monitor your servers, containers, and applications, in high-resolution and in real-time.

Key Netdata features:

Dashboards & visualizations Configurable Metrics Real time monitoring

Open Source freemium $3 / Monthly (Netdata Pro, $3 /Node /mo - Netdata Business, $4 /Node /mo )

Spiceworks bundles network monitoring, helpdesk, UPS power management, PC inventory tools, an online community, and much more for free.

Key Spiceworks features:

Free of Cost Comprehensive Features Community Support Ease of Use

Icinga is a fork of Nagios and is backward compatible.

Key Icinga features:

Scalability Customization Open-source Multi-platform support

Open Source

Site24x7 offers both free & paid website monitoring services. Monitor websites remotely and receive instant email/sms alerts if your website becomes unavailable. View uptime & performance graphs of your website monitors.

Key Site24x7 features:

Comprehensive Monitoring User-Friendly Interface Uptime and Performance Tracking Multi-Location Monitoring

paid $10 / Monthly (Starter - 10 Websites)

Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases.

Key Grafana features:

Customizable Dashboards Wide Range of Data Sources Rich Plugin Ecosystem Open Source

Open Source

Advanced network monitoring for on-premises, hybrid, and cloud. Download a FREE 30-day trial of SolarWinds Network Performance Monitor (NPM) today!

Key SolarWinds NPM features:

Comprehensive Monitoring Customizable Dashboards and Alerts Scalability User-Friendly Interface

Cloud-based quality testing, performance monitoring and analytics for mobile apps and websites. Get started with Keynote today!

Key Dynatrace features:

Comprehensive Monitoring AI-Powered Insights Automatic Dependency Detection Scalability and Flexibility