Browse free open source Java System Software and projects below. Use the toggles on the left to filter open source Java System Software by OS, license, language, programming language, and project status.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • Loan management software that makes it easy. Icon
    Loan management software that makes it easy.

    Ideal for lending professionals who are looking for a feature rich loan management system

    Bryt Software is ideal for lending professionals who are looking for a feature rich loan management system that is intuitive and easy to use. We are 100% cloud-based, software as a service. We believe in providing our customers with fair and honest pricing. Our monthly fees are based on your number of users and we have a minimal implementation charge.
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  • 1
    OpenSearchServer Search Engine

    OpenSearchServer Search Engine

    An open source search engine with RESTFul API and crawlers

    OpenSearchServer is a powerful, enterprise-class, search engine program. Using the web user interface, the crawlers (web, file, database, etc.) and the client libraries (REST/API , Ruby, Rails, Node.js, PHP, Perl) you will be able to integrate quickly and easily advanced full-text search capabilities in your application: Full-text with basic semantic, join queries, boolean queries, facet and filter, document (PDF, Office, etc.) indexation, web scrapping,etc. OpenSearchServer runs on Windows and Linux/Unix/BSD.
    Downloads: 7 This Week
    Last Update:
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  • 2
    pj-net-tools

    pj-net-tools

    Pure Java Network Tools

    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
    Downloads: 20 This Week
    Last Update:
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  • 3
    The Internet Protocol Address Calculator is an open-source java-based tool. This calculator will assist network administrators to perform calculations over both IPv4 and IPv6 address space. A handy whois search client is also integrated into this tool.
    Downloads: 5 This Week
    Last Update:
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  • 4
    The “Media Crawler” is an extensible Eclipse RCP based desktop application which will crawl a given file system, extract metadata from files, map metadata to internal schemas and store the metadata in a databse. This project is ANDS-funded.
    Downloads: 2 This Week
    Last Update:
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  • Dominate AI Search Results Icon
    Dominate AI Search Results

    Generative Al is shaping brand discovery. AthenaHQ ensures your brand leads the conversation.

    AthenaHQ is a cutting-edge platform for Generative Engine Optimization (GEO), designed to help brands optimize their visibility and performance across AI-driven search platforms like ChatGPT, Google AI, and more.
    Learn More
  • 5
    Bootchart is a tool for performance analysis and visualization of the GNU/Linux boot process. Resource utilization data and process information are collected during the boot process and can later be displayed in a PNG, SVG or EPS chart.
    Downloads: 3 This Week
    Last Update:
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  • 6
    jfBackup

    jfBackup

    Enterprise Tape Backup Solution (Windows Server 2008R2+)

    jfBackup ======== Enterprise Tape Backup Solution for Windows Server 2008R2 x64 or better. Features: - Volume Shadow Backups (backup open files) - Full Backups of Remote and Local Volumes (client/server model) - Tape Changer (multi-tape backups w/ barcode reader support) - software compression (zlib) - email notification Not Supported (yet): - Incremental Backups - Image Backups (bare-metal restores) - SQL Backups (volume shadow backup should capture SQL data in restorable state) - File Meta Data (file attributes, ACLs, etc.) - Restore in place (restored files need to be moved back into place)
    Downloads: 3 This Week
    Last Update:
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  • 7
    DB Web Admin Provides access to your databases through a web interface. It gives users visibility into their SQL Server database instances. DBWA shows users Currently running SQL Queries, Historic Queries, and Fragmented Indexes. DBWA also allows users to kill currently running queries or run their own SQL queries. DBWA is implemented in ASP.NET MVC using C#. Previous Versions supported Oracle(PL/SQL and JSP), MS SQLServer (ASP), and MySQL/ODBC (C#.NET) versions.
    Downloads: 2 This Week
    Last Update:
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  • 8
    The IPDR.org reference libraries encode and decode IPDR usage documents in either XML or the binary format. Libraries are available in C and Java.
    Downloads: 2 This Week
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  • 9

    Subnet Calculator

    A simple tool that performs network math with subnets.

    Given a valid IP address and subnet mask, this program will return the necessary subnetwork data.
    Downloads: 2 This Week
    Last Update:
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  • HOA Software Icon
    HOA Software

    Smarter Community Management Starts Here

    Simplify HOA management with software that handles everything from financials to communication.
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  • 10
    Vitamin is a software for visualizing network traffic in IP based networks. It works as a distributed system. Several slaves capture the network traffic on several computers in a network. The master visualizes the information he receives from the slaves.
    Downloads: 2 This Week
    Last Update:
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  • 11

    Lazy File Sorter

    This feature rich program sorts files by their extensions.

    Lazy File Sorter will check files by their extension and move or copy them into their specified output folder. Lazy File Sorter was written in java and works on linux and windows. ATTENTION MAC USERS: This program has not been tested on a mac. Please report your experiences good or bad to help improve this project. The binary in the /bin/Linux folder contains a platform independent jar file that should work on macs. Use only version 1.1 or above as 1.0 will not work properly on macs. Anonymous posting is allowed everywhere and is encouraged. Write something! See tickets for known issues and things to be done. If you find any bugs please post them to the forums or create a ticket and please include the OS you are using in your post.
    Downloads: 1 This Week
    Last Update:
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  • 12
    Personal notebook with google like search capabilities. This project is no longer active.
    Downloads: 1 This Week
    Last Update:
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  • 13
    A tool for planning, mapping and administration of a network with the ability to place, move and manipulate entities within the network map such as desktops, servers and infrastructure objects. Java 6 is required.
    Downloads: 1 This Week
    Last Update:
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  • 14
    Test case framework primarily intended for application monitoring. It provide users with an API for writing test cases as Java classes. Test cases are configured in XML and published in a container for local or remote execution. Integrates with Nagios.
    Downloads: 1 This Week
    Last Update:
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  • 15
    Netsim is a mobile ad hoc network simulator targeted at large heterogeneous node configurations. It is written in Java and is easily extensible through its modular concept.
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    Downloads: 1 This Week
    Last Update:
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  • 16
    AMOS 2013

    AMOS 2013

    RFID Inventory Management

    RFID Management - development component control
    Downloads: 0 This Week
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  • 17

    AddressBook

    AddressBook is used to store important information for contact purpose

    This Address Book is used to store the information about a person including both personal as well as official details.In order to quickly retrieving important information about the person and manage over all details about each and every person, to whom you are currently deals with. This things can be achieved by using efficient algorithms which are more dynamic and consistence in nature.
    Downloads: 0 This Week
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  • 18
    A knowledgment management system written in Java under JBoss 4.2.3 Server, with richfaces 3.3.0BETA4. Including fileconversion from html to pdf and rich:editor component without special syntaxing.
    Downloads: 0 This Week
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  • 19
    Ajax Portal (WebOS and Portal)
    Ajax Portal (WebOS & Enterprise Portal). Ajax Portal is open source cross-platform cross-browser Web 2.0 / Web 3.0 solution which is based on a new architecture of WebOS and Enterprise Portals. Our Enterprise Portal can work as Mashup (WOA approach). The portal provides Portlet/Portal API, Services. It's posible to use the Decoration module of the portal as a part of the standard Web application (Web 2.0 / Web 3.0 application). Open Source allows you to try and evaluate our Web 2.0 / Web 3.0 Enterprise Ajax Portal for free.
    Downloads: 0 This Week
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  • 20
    Reduce employee personal Internet usage during the working day. Increase respect of your corporate Internet usage policy, provide open and honest feedback such as WebMail use during work hours. Plugs into an existing proxy or firewall such as Squid.
    Downloads: 0 This Week
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  • 21
    Archimède is an electronic document management system, designed and developed at the library of the Université Laval.
    Downloads: 0 This Week
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  • 22
    Bcube CMS

    Bcube CMS

    Better Business Bureau Case Management System

    A full featured Case Management System (CMS) for organization that deliver Consumer Business Bureau Services. For organizations that Manage Cases for Consumer Protection Management and Analysis.
    Downloads: 0 This Week
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  • 23
    To provide a bunch of useful applications for daily use. The first of those applications was donated by NIH\'s DECA, it\'s called REX and is a Request/Bug tracker. All applications will be Struts 1.1 and greater based.
    Downloads: 0 This Week
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  • 24
    A framework for building, deploying and managing well-described REST-ful Web services, including REST-ful Web Services realizations for RSS, XML Topic Maps, Structured Arguments, and Workflow.
    Downloads: 0 This Week
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  • 25
    Cube Platform is a decentralized grid computing system that uses P2P Pastry protocol for communication between nodes. It's a big data storage written in Java.
    Downloads: 0 This Week
    Last Update:
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