Open Source Java Systems Administration Software for BSD

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

This project now hosts the third-generation of Java SSH API, Maverick Synergy. This API builds on the Maverick Legacy commercial APIs and delivers a new API in a unified client/server framework. This API is available to the community under the LGPL open source license. This update includes ed25519 support, support for the new OpenSSH private key file format and stronger key exchange algorithms. The project continues to host both the original API and legacy applications created around it, however, these are now considered deprecated and we do not recommend their use in anyway.

jNetMap is a graphical network monitoring and documentation tool. It will ping all registered devices every x minutes, updating the status according to the result of the ping. Requires Java 8 or higher

The WiKID Strong Authentication System is a public-key based two-factor authentication system. It is a flexible, extensible, and secure alternative to tokens, certs and passwords. Application & API support exists for Java, ASP, PHP, Ruby, OpenVPN, TACACS+, etc. Read our eGuide on how to setup your network with two-factor authentication: http://www.wikidsystems.com/learn-more/two-factor-authentication-white-papers

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.

Atricore’s JOSSO is an open source and commercially supported Internet Single Sign-On (FSSO) solution for point-and-click and standards-based (SAML2) Internet-scale SSO implementations. For more information contact us at : http://www.josso.org

Osmius: The Open Source Monitoring Tool is C++ and Java. Monitor "everything" connected to a network with incredible performance. Create and integrate Business Services, SLAs and ITIL processes such as availability management and capacity planning.

VNCed allows admins and teachers to monitor multiple workstations at the same time using VNC. There are a number of other VNC releated downloads available including MSI Creators/Installers for UltraVNC, Win32 version of RFBProxy and pyvnc2swf-py2exe

VeNCrypt adds TLS/X509 encryption and authentication to VNC. It is heavily based on the RealVNC Free Edition, thus being a single fork away from the original creators of VNC, and is fully compliant with the RFB protocol.

Reliable group communication based on IP multicast and configurable protocol stack

JRadius - A Radius Server Java Adapter and Java Client

SSL-Explorer is a fully-featured, web-based SSL VPN server. This project is no longer actively maintained as the SSL-Explorer technology has now been acquired by Barracuda Networks, Inc.

XSockets - open, lightweight and highly portable library of universal and eXtensible Super Sockets for point-to-point communication. A unified API for many communication methods between programs and/or devices (e.g. TCP/IP sockets,serial link,pipes,IrDA)

Pure Java Network Tools. Free portable cross-platform. Include: 01) ICMP-ping, 02) ICMP-traceroute, 03) DNS-check resolver, 04) Parallel Host TCP-scanner, 05) IP-calculator, 06) Syslog-server, 07) Telnet-client, 08) Local ARP-cache request, 09) Parallel Network Ping-Scanner, 10) Snmp-Get concrete value utility. 11) Parallel ICMP flood utility. 12) Parallel UDP flood utility. 13) TFTP-server. 14) NTP-server. 15) Host TCP-ping. 16) SNMP-MRTG traffic monitor. 17) Anonymous FTP-server. 18) Parallel Network TCP-scanner. 19) Parallel Network SNMP-scanner. 20) Parallel Network DNS-scanner. 21) Parallel SNMP-DoS. 22) Parallel HTTP/HTTPS-DoS Need JRE-1.8: https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html . Source - https://github.com/harp077/pj-net-tools . If you like this - put a star on https://github.com/harp077/pj-net-tools

SisIYA a system monitoring tool

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.

JRemoteRun allow execute snippets of java code in running JVM.

Radius Client coded in java (RFCs 2865 and 2866 compliant).

Open, fast, robust grid for distributing computing, processes etc. A great alternative to overpriced commercial products such as DataSynapse. Not constrained by standards: contribute to invent new grid computing.

Nessconnect is a GUI, CLI and API client for Nessus and Nessus compatible servers. With an improved user interface, it provides local session management, scan templates, report generation through XSLT, charts and graphs, and vulnerability trending.

NetDirector is a Web-based Linux and Solaris management console providing secure, easy-to-use, one-to-many management of Open Source workgroup servers: HTTP, DNS, DHCP, LDAP, Kerberos, Samba, NFS, FTP, Email, Users and Groups.

jNetStream is a sniffer and a protocol analyzer. Includes applications and library. 100s of protocols are defined. Includes scripting. It is appropriate for custom protocol development, grad students, and network teachers/professors. Full SDK included.

Enables a user to view & alter all aspects of comunications with a web site via a proxy. Primarily used for security based penetration testing of web sites, it can also be used for debugging during development. Seen as part of a hacker toolkit.

AccounteX is an IP accounting system based on the IP Stat program. It has many exciting features like fully customizable web traffic accounting and user access control by many different values. information service and web statistics and administration.

Linux/Windows Admin with interactive features to control Resources on a remote PC