Open Source Network Monitor Tools

Cacti

Cacti is a complete frontend to rrdtool, it stores all of the nessesary information to create graphs and populate them with data in a MySQL database. The frontend is completely PHP driven.
Added:
12th May 2004
Updated:
12th May 2004

Percival

Percival is a Network Monitoring and Capacity Planning front-end to the excellent RRDtool software.
Added:
5th February 2004
Updated:
5th February 2004

RTG

RTG is a flexible, scalable, high-performance SNMP statistics monitoring system.
Official Website:
Added:
5th February 2004
Updated:
5th February 2004

SmokePing

SmokePing measures latency, latency distribution, and packet loss in your network.
Added:
5th February 2004
Updated:
5th February 2004

Torrus

Torrus is designed to be the universal data series processing framework. Its scalable hierarchical design, application-independent core, and highly customizable architecture make Torrus an attractive choice both for small installations and for big enterprise or carrier networks.
Official Website:
Added:
29th April 2004
Updated:
29th April 2004

Portview

Portview is tool for simplification Cisco routers and switches ports monitoring via SNMP.
Added:
5th February 2004
Updated:
5th February 2004

NRG

NRG is a system for maintaining and visualizing network data and other resource utilization data.
Official Website:
Added:
29th April 2004
Updated:
29th April 2004

NMIS

NMIS started as a SNMP polling and statistics viewer front-end to Tobi Oetiker’s RRDTool. RRDTool replaces MRTG but doesn’t include a front end and backend to handle SNMP polling and display resulting web pages etc.
Official Website:
Added:
5th February 2004
Updated:
5th February 2004

HotSaNIC

HotSaNIC (Html overview to System and Network Information Center) consists of a set of perl-scripts built on Tobias Oetiker’s rrdtool to generate graphical system-statistics.
Added:
29th April 2004
Updated:
29th April 2004

GxSNMP

A GPL based full featured network management application for the GNOME environment.
Official Website:
Added:
5th February 2004
Updated:
5th February 2004

RRDTool

RRD (Round Robin Database) is a system to store and display time-series data (i.e. network bandwidth, machine-room temperature, server load average).
Added:
5th February 2004
Updated:
5th February 2004

Angel Network Monitor

The Angel Network Monitor is a relatively simple performance monitoring tool. Angel is able to check TCP connections, disk space, system loading and Ping round trip times. Angel is extensible via Perl scripts.
Official Website:
Added:
5th February 2004
Updated:
5th February 2004

AutoStatus

Autostatus is a network and server monitoring program designed to support large complex networks.
Added:
5th February 2004
Updated:
5th February 2004

Cricket

CRICKET is widely used to produce graphs of collected data. It consists of two components, a collector and a grapher. Collected data is held in a structure using RRDTool and displayed using a web-based interface.
Added:
5th February 2004
Updated:
5th February 2004

NodeWatch

NodeWatch is a network monitoring polling tool. It logs connectivity changes and performs user defined commands.
Added:
5th February 2004
Updated:
5th February 2004

Spong

Spong is a simple systems and network monitoring package.
Official Website:
Added:
5th February 2004
Updated:
5th February 2004

Big Sister

Big Sister monitors systems, tracks current status and status change history, and triggers alarms.
Added:
5th February 2004
Updated:
5th February 2004

MRTG

Multi Router Traffic Grapher (MRTG) is a tool to monitor SNMP variables.
Added:
5th February 2004
Updated:
5th February 2004

SNMPSTAT

SNMPSTAT is network-monitoring system, designed to monitor standard network routers, switches and firewalls using SNMP
Official Website:
Added:
1st September 2005
Updated:
1st September 2005