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26 helpful open source network management tools

Free or low cost tools for professional IT admins

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Over the last decade or so, open source development has skyrocketed, and network management software has ridden that wave. Many frustrated IT administrators have turned to free tools to monitor, configure and map their networked devices. Here are 26 examples of open source network management software tools to help you do your job.



Zabbix is intended as an enterprise-class distributed monitoring system. Features include real-time monitoring, auto-discovery, mapping and scalability.

  • Big Brother BTF
  • Big Sister
  • Cacti
  • GroundWork Monitor
  • Hyperic HQ
  • MRTG
  • Munin
  • Nagios Core
  • NetDisco
  • Net-SNMP
  • NetworkAuthority Inventory
  • Ntop
  • Observium
  • OneOrZero AIMS
  • OpenNMS
  • OpenQRM
  • Opsi
  • OTRS
  • Pandora FMS
  • TclMon
  • Wireshark
  • Xymon
  • Zabbix
  • Zenoss Core



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