Open Source Server Monitor List | Free Monitoring Software

All OS Server Monitoring software in one place

Hello and welcome to the Open Source Server Monitor software list. We hope you find a solution you need here. In addition to the open source monitoring software and free server monitoring software listed below, this site also features the PA Server Monitor software; a moderately priced commercial server monitoring application which you may want to explore if you are interested in a professionally maintained and supported solution. If you are searching for a free open source software please scroll down to the list.

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Peace of Mind
Securely monitor DMZs and remote offices from a central Console, without a VPN, without agents on every server, and without holes in the remote firewall
Less Work
Easily configure monitoring for hundreds of servers/devices with a few clicks
Work from home or on the road as easily as from the office
Save Money
Remote Desktop to remote servers from the office without paying for a VPN connection or third party support service
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Increase your brand awareness by branding PA Server Monitor with your name and logo
Increase Value
Produce scheduled reports for clients with optional email delivery
  • Cacti
    "Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality."
  • Ganglia
    "Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids."
  • Graphite
    "Enterprise Scalable Realtime Graphing"
  • Hyperic
    "Hyperic HQ is the award-winning open source monitoring software designed to manage web applications and infrastructure."
  • Logwatch
    "Logwatch parses through your system's logs and creates a report analyzing areas that you specify."
  • Monit
    "Monit is a free open source utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system."
  • MRTG
    "MRTG will monitor SNMP network devices and draw pretty pictures showing how much traffic has passed through each interface."
  • Munin
    "Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems."
  • MultiTail
    "MultiTail follows files in style, it is tail on steroids."
  • Nagios
    "Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes."
  • OpenNMS
    "OpenNMS is the world’s first enterprise grade network management application platform developed under the open source model."
  • ORCA
    "Orca is a tool useful for plotting arbitrary data from text files onto a directory on a Web server."
  • PA Server Monitor
    "Server monitoring made easy. No config files, scripts or agents."
  • PAL (Performance Analysis of Logs)
    "The PAL (Performance Analysis of Logs) tool is a powerful tool that reads in a performance monitor counter log and analyzes it using known thresholds."
  • Pandora FMS
    "Pandora FMS is a monitoring Open Source software. It watches your systems and applications, and allows you to know the status of any element of those systems."
  • PolyMon
    "PolyMon is an open source system monitoring solution that can be used to generate email alerts and analyze historical trends of monitor counters and monitor statuses. It is based on the .NET 2.0 framework and SQL Server 2005."
  • RRDtool
    "RRDtool is the OpenSource industry standard, high performance data logging and graphing system for time series data."
  • SmokePing
    "SmokePing keeps track of your network latency."
  • System Health Monitor
    "System Health Monitor for Linux is a handy python program that will setup your system to generate RRD Graphs of network interface traffic, system load, memory usage, disk space and inode usage and graphs of the number of running processes."
  • Xymon
    "Xymon is a system for monitoring of hosts and networks, inspired by the Big Brother system."
  • Zabbix
    "The Ultimate Open Source Monitoring Solution"