14 Free Server & Network Monitoring Tools

Here we have come up with yet another compilation of some free and excellent tools for server and network monitoring. Such tools are very important for any business that runs on a website or on a network. Monitoring your server and network allows you to be aware of any issues as soon as they occur; and this in turn lets you take proper actions.

Here is the complete list for you where you can find top 14 servers and network monitoring tools. Check them out and pick the ones you like the best. We hope that you will like this collection and find these amazing tools useful for you. Feel free to share your opinions with us via comment section below. Your comments are always more than welcome. Let us have a look. Enjoy!


Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters.


Monit is an open source utility for managing and monitoring, processes, programs, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.


Nagios offers complete monitoring and alerting for servers, switches, applications, and services.


Collectd is a daemon which collects system performance statistics periodically and provides mechanisms to store the values in a variety of ways, for example in RRD files.


Cacti is a complete network graphing solution designed to harness the power of RRDTool’s data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box. All of this is wrapped in an intuitive, easy to use interface that makes sense for LAN-sized installations up to complex networks with hundreds of devices.


IT Organizations use Zenoss server, network, and cloud monitoring to manage their dynamic datacenters.


Argus is a system and network monitoring application.


Observium is an autodiscovering SNMP based network monitoring platform written in PHP which includes support for a wide range of network hardware and operating systems including Cisco, Windows, Linux, HP, Dell, FreeBSD, Juniper, Brocade, Netscaler, NetApp and many more.


The smallest free tool for monitoring computers in your local network and any internet hosts. Just start EasyNetMonitor, open popup-menu in tray and get the information about computers network state.

Capsa Free

Capsa Free network analyzer (packet sniffer) software for Windows platform, sniffer packets and analyze protocols, best FREE Network Analysis tool for network monitoring and troubleshooting.


The free web debugging proxy for any browser, system or platform.


NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows that can detect the OS, hostname and open ports of network hosts through packet sniffing or by parsing a PCAP file. NetworkMiner can also extract transmitted files from network traffic.

Pandora FMS

Open Source Monitoring System for performance and availability.

Zenoss Core

Zenoss Core is an enterprise network and systems management application written in Python. Zenoss provides an integrated product for monitoring availability, performance, events and configuration across layers and across platforms.

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