Top 10 Best Server Monitor Software of 2026

Datadog is a comprehensive cloud monitoring and observability platform that excels in server monitoring by collecting real-time metrics, logs, traces, and events from on-premises, cloud, and hybrid environments. It offers customizable dashboards, intelligent alerting, and AI-driven anomaly detection to ensure proactive issue resolution and performance optimization. With extensive integrations supporting over 500 technologies, it provides end-to-end visibility for infrastructure and applications at scale.

New Relic is a leading observability platform specializing in server monitoring through its Infrastructure solution, providing real-time visibility into CPU, memory, disk, network, and process metrics across cloud, on-premises, and hybrid environments. It collects telemetry data via lightweight agents, enabling customizable dashboards, anomaly detection, and alerting to prevent downtime. Beyond basic monitoring, it correlates server data with application performance, logs, and traces for root-cause analysis in complex systems.

Dynatrace is an AI-powered observability platform specializing in full-stack monitoring, including comprehensive server performance tracking for metrics like CPU, memory, disk I/O, network, and processes. It automatically discovers infrastructure, instruments applications without manual configuration via OneAgent, and provides contextual insights correlating server health with business impact. Davis AI proactively detects anomalies, performs root cause analysis, and automates remediation to minimize downtime.

Zabbix is an enterprise-class, open-source monitoring solution that tracks the performance and availability of servers, networks, cloud services, virtual machines, and applications. It collects metrics such as CPU, memory, disk usage, and network traffic, while providing alerting, visualization dashboards, and reporting capabilities. Supporting auto-discovery, predictive analysis, and SLA monitoring, Zabbix scales to monitor millions of metrics across distributed environments.

Prometheus is an open-source systems monitoring and alerting toolkit that collects metrics from targets via HTTP scraping, stores them in a multi-dimensional time series database, and evaluates rules for alerting. It excels in dynamic environments like Kubernetes through service discovery and federation for scalability. Designed for reliability, it provides PromQL, a flexible query language for analyzing metrics data over time.

SolarWinds Server & Application Monitor (SAM) is a robust IT monitoring tool designed to track server performance metrics like CPU, memory, disk space, and network utilization across Windows, Linux, and Unix environments. It extends beyond basic server monitoring with over 1,200 pre-built templates for application-specific monitoring, including databases, web servers, and virtualization platforms. SAM integrates seamlessly with the SolarWinds Orion platform for enhanced alerting, reporting, and capacity planning.

PRTG Network Monitor is a comprehensive IT infrastructure monitoring solution from Paessler that excels in tracking server performance metrics like CPU, memory, disk usage, and services alongside networks and devices. It employs a unique sensor-based architecture with over 250 sensor types for precise, real-time data collection and alerting. The tool offers customizable dashboards, interactive maps, and reporting to ensure proactive server management and high availability.

Nagios is a robust open-source monitoring system designed to track the health, performance, and availability of servers, networks, applications, and infrastructure components. It employs a plugin-based architecture that supports thousands of community-developed plugins for monitoring virtually any metric or service. Nagios provides proactive alerting through various channels like email, SMS, and custom scripts when thresholds are breached or issues arise.

Checkmk is a powerful open-source IT monitoring platform, forked from Nagios, specializing in comprehensive server and infrastructure monitoring. It collects metrics from hardware, operating systems, applications, and cloud services using agents or agentless methods, with real-time dashboards, alerting, and anomaly detection. The tool scales efficiently for large environments and includes business intelligence aggregation for holistic views.

ManageEngine OpManager is a robust network and server monitoring tool that provides real-time visibility into server health, performance metrics like CPU, memory, disk usage, and processes across Windows, Linux, Unix, and virtual environments. It includes fault detection, root cause analysis, and automated workflows to minimize downtime. The solution scales for enterprises with support for cloud and hybrid infrastructures, offering customizable dashboards and reports.