Open Source Java Networking Software

Zabbix is an enterprise-class open source distributed monitoring solution designed to monitor and track performance and availability of network servers, devices and other IT resources. It supports distributed and WEB monitoring, auto-discovery, and more. An enterprise-class distributed monitoring solution for networks & apps

Cyberoam iView; the Intelligent Logging & Reporting solution provides organizations network visibility across multiple devices to achieve higher levels of security, data confidentiality while meeting the requirements of regulatory compliance. To know more about Cyberoam and it’s security solutions visit us at www.cyberoam.com.

Hyperic is application monitoring and performance management for virtual, physical, and cloud infrastructures. Auto-discover resources of 75+ technologies, including vSphere, and collect availability, performance, utilization, and throughput metrics.

The aim of Sonin Alum project (to raise the alarm in Breton) is to monitor servers and alerting by SMS or e-mail if these break down.

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.

DJP - free portable cross-platform desktop graphical multi pinger, 100%-pure java. Local and remote (to syslog-server) logging support. At first DJP use ICMP for ping, if it is unavailable, it tries to check hosts with TCP/echo. Use standart OS ICMP packet-size - Linux=64 bytes, Windows=32 bytes. In addition to local-log also present syslog-server support: then any host down, DJP write message to local log and can send message to syslog-server. TCP port scaner and Telnet connection to host support. Also support backup/restore DB+CFG files to/from zip-archive. Simple and intuitive GUI - Graphical User Interface. Successfully tested in Windows and Linux for more than 100 hosts. Example of using CDI (Weld) and JPA (EclipseLink / OpenJPA) in Java SE application. Support both IPv4 and IPv6. Need only JRE 1.8 - https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html . See also Jennom project - http://jennom.sourceforge.net

GeneSyS is an open generic framework for network and system management, based on intelligent software agents using web-services/SOAP. It is a supervision tool for monitoring, management and control of distributed applications built with Java, .NET, PHP.

Please wait ! It will be soon. I'm not finished yet. I'm sorry. JENNOM - Java Enterprise Network Nodes Monitor.

The 'Monitor' application, which consists of 2 parts, a MonitorServer (linux daemon) and a MonitorClient (java gui), will enable the user to monitor and log server process, memory, network and cpu information of multiple servers at a time.

A tool to monitor internet hosts` bandwidth usage in a Linux-NAT network. A daemon collects data and clients display them (currently a Java applet with a graph). It automatically detects new hosts and has a nice summary statistic.

Java program able to generate a telephone bill for the users of [Alt+]Connect dialup daemon.

PlayBilling is a webbased billing system for internet cafe and wireless hotspot provider mostly written in Java featured with: tariff management, prepaid, postpaid and discounts, user management and extensive reporting system

SAWS is a Secure Audit Service that cryptographically protects all log messages. It can run as either a standalone web service called SAWS (Secure Audit Web Service) or as a Java Secure Audit Trail Service (JSATS) that is called via a Java API.

Multiplatform: Easy setup Syslog Server tool for recording network messages. It opens the UDP port 514 on your computer to act as Syslog Server and displays the messages immediately in your screen.

TrafficCounter for Draytek Routers (TCDR)

jopsdb is an opensource implementation of a monitoring and measurement application based on JMX