Top 15 Best Server Application Monitoring Software

In today’s dynamic IT environments, when there are thousands of millions of requests being pinged each day on the server, even a slight delay can cause significant work loss.

A trivial bottleneck in your enterprise’s clients can result in angry customers and seriously affect both their and your businesses.

You can avoid these delays and bottlenecks by using Server & Application Monitor software. This software can be just a few codes brewed at home or an enterprise-level implementation designed for global networks.

What is Server Application Monitor?

Server & Application Monitor (SAM) are monitors for your servers and applications deployed on-premises, in a hybrid environment, or the cloud.

It allows users in identifying the root cause of the issue and pinpoint its location across multiple layers in the IT stack.

SAM allows you to discover the application’s environment automatically, monitor the application, and ensure that the downtime and slow applications do not affect your clients and services.

Features of a Server Application Monitor

A server & application monitor performs two primary functions: Application performance Monitoring and Server Management. Based on these functions, the features are:

1. Application Performance Monitoring

  • Full Transaction Diagnostics
  • Trace individual transactions
  • Baseline Manager
  • Root-Cause Diagnosis
  • Performance Control
  • Diagnostic Tools
  • Resource Management

2. Server Management

  • Email Monitoring
  • Virtual machine Monitoring
  • Event Logs
  • Server Monitoring
  • Credential Management
  • Patch Management
  • Scheduling
  • CPU Monitoring

Advantages of Server Application Monitor

It is challenging for the IT departments to be proactive to maintain IT infrastructure in the organization.

Thus, you must use a server & application monitor to monitor all IT infrastructure so that your technicians and administrators can be free to focus on other essential processes.

1. Performance Monitoring

In todays’ IT-dependent era, any business can get affected if the application’s performance degrades even a little.

It is especially true for enterprises that have their entire business online and are dependent on excellent applications to gain profit.

Server & application monitoring software can help you strengthen the entire IT system’s performance and get an overview of other future improvements.

2. Identify Security Threats

The server & application monitors help users identify possible security threats such as breaches, data loss, or other vulnerabilities.

These tools keep track of unusual traffic spikes, unfamiliar devices, or other abnormal activities and provide efficient ways to tackle these risks.

3. No Network Outages

Servers going down for even a second can cause significant losses, and thus it is essential to protect the network from internal or external outages.

With infrastructure monitoring software, you can keep stats and see data to identify possible issues that might signify a network attack, penetration, other critical events.

4. Proactive Problem Detection

Server & Application monitors help you proactively identify possible infrastructure issues and provide you with ample time to react to those warning signs.

These tools can continuously scan and monitor the IT environment to provide you with insights into and everything happening on the network.

5. Real-time Notifications

Network monitoring tools can provide notifications or alerts about any performance issues and help you in resolving them.

You can get these notifications instantly on your mobile or desktop using various communication systems such as SMS, email, integrated dashboards, etc.

These server & application monitor solutions will provide you with real-time notification by constantly monitoring the system for the performance of your devices, networks, and servers and generating alerts for glitches.

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How to choose the right Server Application Monitor

When selecting the ideal server & application monitor for your organization, you need to decide what suits your business needs and not affect your pockets.

Depending on the needs, you can choose the server & application monitors and see what features they provide, such as CPU, memory, process monitoring, data center, capacity planning, or network management activities.

You can start by choosing the software compatible with your server’s hardware so that the software can easily monitor the temperature and fan speed of the servers before an actual failure occurs.

Some of the features to keep an eye out for in an ideal server & application monitor software are:

  1. Depending on your needs, you can select the one offering disk, CPU, network I/O utilization, memory, and process monitoring.
  2. You can choose the one that provides automatic virtual machine detection so monitor the resources and provide support for Microsoft, Citrix, and VMware virtualizations.
  3. Always choose the tool with good inventory, alerting, planning, and reporting abilities to manage your server and applications and improve your business efficiently.

Top 10 Best Server Application Monitor

1. Paessler PRTG Network Monitor

PAESSLER Server Application Monitoring Software

This highly customizable server & application performance monitoring solution comes with very flexible pricing.

The pricing of Paessler is based on the total number of sensors deployed across the network. PRTG also comes with a free trial which is fully functional for 30 days.

Paessler offers a freeware version that comes with 100 free “sensors.” Sensors are the monitored resources on a given device. For example, monitoring disk space will be considered as a single sensor.

PRTG allows automatic device discovery and on-site and cloud-based resource monitoring and generates customized alerts and bandwidth monitoring.

This allows fast deployment and provides quick information about critical details causing network and application slowdowns.

It offers a wide range of data presentations that analyze critical performance information to make sense to the users.

2. Datadog Server Monitoring

Datadog Server Application Monitoring Software

It comes with a SaaS system management platform that also supports server monitoring utilities included in its Infrastructure module.

Datadog Server Monitoring offers three plans – free, Pro, and enterprise, hosted on the cloud to monitor servers anywhere. Pro comes at $15 per host per month and enterprise at $23 per host per month of the two paid plans.

The free version of Datadog comes with all the server monitoring features found in the paid version. Still, it lacks its alerting system, container monitoring system, outlier detection system, and the ability to integrate with different utilities.

The Datadog Infrastructure system comes with an automatically created host map to identify underutilized, nearly utilized (close to total capacity) and overutilized servers.

One of the advanced features of Datadog is AI-based machine learning routines included in the Enterprise plan. The AI service comes with two elements:

  1. Watchdog – This helps in the quick discovery of problems compared to standard performance monitors based on a threshold.
  2. Correlations – This helps identify the root cause of a problem that allows your tech team to save the time spent in identification. They can quickly focus on fixing the server problem.

Apart from server monitoring tools, the Datadog Infrastructure module also includes Datadog Network Performance.

This monitoring system also comes with a customizable dashboard that can be customized using drag-and-drop, and the drill-down system allows easy discovery and investigation of problems.

3. Site24x7 Server Monitoring

Site24x7 Server Application Monitoring Software

It is a cloud-based monitoring solution that does not need to be installed on-site. Site24x7 comes with customized packages for infrastructure monitoring, server & application performance monitoring, and website monitoring.

Site24x7 offers pricing plans on a subscription basis, either monthly or yearly. You can get a monitoring solution for the server & application along with a 30-day trial in the pro version.

Site 24×7 is capable of monitoring servers that are running on:

Windows Server, FreeBSD, Mac OS, Windows, and Linux,

virtualizations created by VMware and Microsoft Hyper-V, and

cloud server such as Amazon Web Services (AWS) and Microsoft Azure.

This Server & Application Monitor can track all the software running on the server and analyze the performance of databases and email, and web servers.

It comes with application performance alert thresholds monitored by AI-based machine learning processes.

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Site24x7 monitors the disk space usage, network interface activity, CPU performance, and memory capacity of the server, integrates with Active Directory, manages the Windows Event Log and Syslog.

The analyzer of Site24x7 can analyze software down to the code level and identify inefficiencies in processes written in PHP, Ruby on Rails, Java, and Node.js.

4. SolarWinds Server & Application Monitor

SolarWinds Server Application Monitoring Software

SolarWinds Server & Application Monitor (SAM) is a versatile application monitor set up as a one-stop-shop for multiple networking needs and can scale with Server & Application Monitor. It offers a 30-day download for the evaluation period on its site.

SolarWinds Server & Application Monitor (SAM) is a part of the Orion platform family. It can be combined with other Orion Platform products to provide comprehensive management coverage over the network, virtualized resource configuration, database, and web application performance.

SolarWinds products allow infrastructure monitoring for cloud-based IaaS configuration on both Azure and AWS.

These cloud-based solutions allow network and systems engineers to gain complete control over their network and can be easily set up and deployed for large and complex network environments regardless of their physical location.

SolarWinds Server & Application Monitor (SAM) also offers automatic asset discovery, active inventory, storage performance monitor, and virtualization monitor, along with an exhaustive list of server and application monitoring templates.

This helps users to make complex networks easy to use and monitor. You can also gain versatility in the networks, monitor application,  and service designs. It also allows the SolarWinds server and application monitoring (SAM) platform to provide practical, accessible, and easy solutions.

SolarWinds Server & Application Monitor(SAM) also helps ensure smooth data access across large storage platforms, thus allowing ease of use.

SolarWinds Server & Application Monitor can provide quick solutions for potential performance issues and application issues with such outstanding attributes and functionalities by quickly diagnosing and identifying the root cause of application problems.

5. OpenNMS

OpenNMS Server Application Monitoring Software

OpenNMS is an open-source network management software with a large and dedicated user base and lots of utilities.

Since the software is open-source, there are no pricing plans, and thus it can be easily installed and set up by reading the installation docs.

OpenNMS offers two branching distributions – Meridian and Horizon.

  1. Meridian – This standard OpenNMS distribution is the stable release of the software. It offers high product and community support, due to which it is the most obvious choice by various end users.
  2. Horizon – This is a beta platform on which new ideas, implementation, and technologies are present. Since it offers less documentation and community support, most users choose Meridian.

OpenNMS features are performance management via standard protocols, automatic network discovery, topology discovery, configurable service monitor, and customized alerts allow quick and easy setup and provide additional insights into the network framework.

6. Atera

Atera Server Application Monitoring Software

This cloud-based platform is designed for managed service providers (MSPs) as it combines both MSP functions of remote monitoring and management (RMM) services and professional services automation (PSA) to help run the business.

Atera offers subscription-based service and charges technicians per month or per year, whatever suits your pocket. You also get a free trial which is fully functional for 30 days before subscription.

Since it is delivered via the cloud, there is no need to install it on-site. MSP technicians can access the Atera dashboard via a particular mobile app or standard web browser.

It audits servers for each new client and monitors, memory, ports, and CPU of the servers to don’t hit their total capacity and impair performance.

Atera takes inventory of all software on the servers supporting software updates, system patch management and ensures that it matches client licenses.

This solution supervises the actions and performances of various applications such as web servers, email servers, and database management systems. It is an ideal tool for tracking the performance of virtualizations and monitoring Hyper-V implementations.

7. OP5 Monitor

OP5 Monitor Server Application Monitoring Software

OP5 is an enterprise-scale network & application monitor that offers excellent scalability, customization, and network mapping display, to allow for better usage as a service-provider.

This platform is highly flexible because it allows complete control of the data displayed to the administrators who can add or remove widgets from the central dashboards.

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The administrators can also classify the displayed information for various departments to focus on their specific critical data.

OP5 provides a macro view of the monitored network nodes and provides an accurate and global picture of its geographic interconnection.

It also supports visual reporting, including graphs and charts to provide users with detailed information on problem areas and potential bottlenecks so that they can get a clear view of when and where the issue could arise.

8. ManageEngine OpManager

ManageEngine Server Application Monitoring Software

This reliable performance and infrastructure monitoring tool provides scaling and performance monitoring across a wide range of devices.

You can perform standard performance monitoring functionalities such as monitoring statistics, memory, CUP usage, storage, and more.

The platform comes with customizations for monitoring configurations and alerts to effectively allow administrators to get warnings and information about possible network problems.

Being a part of the ManageEngine family, OpManager works perfectly well as a standalone and other ManageEngine software developed for large networks.

OpManager allows support for data-intensive networks by featuring PGSQL database statistics so that database administrators can get detailed information on query time and performance across large networks. OpManager allows for improving efficiency and reducing query time.

9. Icinga 2

Icinga 2 Server Application Monitoring Software

Icinga 2 is an open-source robust performance monitoring solution designed to consume a minimal amount of system resources and comes with multiple variants, distributions, and plugins.

Icinga 2 is a clever out-of-the-box performance monitoring solution that can be integrated with other open-source tools.

It is highly scalable to almost any size and allows dynamic customization and rule-based performance configurations so that administrators can tweak it to their needs.

It can be downloaded from its Github repositories. Icinga 2 uses system resources to create a bare-bone resource footprint while providing enterprise-grade statistics and performance monitoring.

With detailed performance data and a comprehensive alert system, administrators can identify potential problem areas and get a warning of impending disaster.

10. LibreNMS

LibreNMS Server Application Monitoring Software

LibreNMS is a popular open-source NMS software that boasts a detailed and extensive knowledge base gained by community collaboration. Tinkering helps new users get accustomed to the software and access numerous implementations, plugins, and variations.

It offers enormous depth and flexibility to the experienced users who can dive into the most critical aspects of LibreNMS. Although it is not required for its users to dive into the codebase but to make full use of LibreNMS, it is okay to get your hands a little dirty.

LibreNMS has a vast range of plugins that support automatic network discovery. These plugins such as Nisen, Oxidized, and RANCID are designed to monitor performance, consistent performance, and device configurations to provide a comprehensive network management system.

You can also access the platform via mobile device with Android or iOS so that administrators can keep watch on the network even when they are away from the office.

LibreNMS can scale using distributed polling which helps it in providing solutions for large networks.


You must have complete visibility of the infrastructure and prevent it from possible performance issues. The server and application monitors can help you with this and provide you with data to make informed decisions.

Most IT departments spend time reacting to problems rather than preventing them in the first place. With these solutions, your administrators and technicians can focus on avoiding errors proactively.

Frequently Asked Questions

How do I monitor my application server?

You can monitor your application using the server & application software listed above, such as SolarWinds (SAM), Paessler, Atera, ManageEngine OpManager, Icinga 2, LibreNMS, OpenNMS, Site24x7, and others.

What is the SolarWinds server and application monitor?

SolarWinds Server & Application Monitor (SAM) is a versatile application monitor set up as a one-stop-shop for multiple networking needs and can scale with the network Server & Application Monitor. It offers a 30-day download for the evaluation period on its site.

What do you monitor on a server?

You must monitor the server and prevent unnecessary downtime. For this, you need to monitor the availability, uptime, system-level server performance metrics such as CPU, disk, fan, and temperature, application-level server performance metric such as space, and security-level server performance metrics such as attacks and vulnerabilities.

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