Open Source Perl Network Monitoring Software

SIGAR (System Information Gatherer and Reporter) is a cross-platform, cross-language library and command-line tool for accessing operating system and hardware level information in Java, Perl and .NET.

Integrate JBoss into Nagios monitoring through a small Collector MBean and a perl based Nagios plugin. Lets you read you and monitor JMX values from JBoss servers very efficiently. On the Nagios server no JDK or JBoss installation is needed.

Bionanny is a tool for Web Services providers. It allows to monitor other Web Services. It can intercept requests incoming from clients, pass it to the destination Web Service and log number of requests and elapsed time spend by services.

eManTools is a set of tools, which includes such things as a rule-based log file processor, a NT EventLog to BSD Syslog forwarder, monitoring scripts, a web based console, and integration and customizations for commercial products like Tivoli.

IceIDS is heuristic Network Intrusion Detection System (NIDS) based on calculating Student's distributions of network traffic.

InterStructures a Linux System Administration platform built using MMC familiar to systems administrators.It is a complete server administration platform integrating Linux and Windows servers and providing intuitive and easy point and click administratio

A desktop application for monitoring 'top' output from multiple UNIX servers. J/Top has an easy-to-use GUI as well as sentries for monitoring top output for threshold breaches.

A user-friendly management tool for network administrators of LAN parties

NINO is a network and system management solution to monitor your network, systems and applications: integrated, one tool for all. Features: SNMP, WMI, Service Response performance monitoring, graphs with zoom, topology view, events, reporting

open-CAPWAP provides tools and libraries relating to the Control and Provisioning of Wireless Access Points including: An extensible agent, An CAPWAP library, tools to request or set information from CAPWAP agents, etc.

This is a collection of utilities for use with the RTG SNMP poller. Currently, the software and documentation of this project is highly specific to my own implementation and network. I hope to generalize this software over time.

Remote Root is an enterprise-class central management tool for Linux, which enables centralized configuration management of a large amount of network connected Linux-based computers (hosts) in a modular form. It is an open source software system relying on operation of traditional operating systems, so it is capable of managing numerous free and commercial Linux distributions or even not Linux-like systems (such as Solaris, HP-UX, FreeBSD, OpenBSD). It can manage every system on which the following functions are available somehow: - identification of the version number of the operating system, - querying of the list of the installed packages, - querying of the version number of a package, - upgrading a specified package to a given version. Read more on https://sourceforge.net/p/remoteroot/wiki/ wiki pages.

RoofTop is a network/systems monitoring (NSM) tool that leverages SNMP standards to deliver critical health and performance monitoring through device based reports and graphs, event notifications, alerts, and configurable alarm thresholds.

SisIYA a system monitoring tool

TrafficCounter for Draytek Routers (TCDR)

sysprofd is a system profiling daemon that can report results through a tcp connection to a remote client. sysprofd profiles cpu, memory, and swap usage statistics, process status statistics e.t.c. Imagine using it to easily monitor lots of linux boxes