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.

  • AI-powered service management for IT and enterprise teams Icon
    AI-powered service management for IT and enterprise teams

    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity. Maximize operational efficiency with refreshingly simple, AI-powered Freshservice.
    Try it Free
  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
    Download Free Tool
  • 1
    A Java-based Gameboy and Gameboy Color emulator for mobile devices and PCs. If you want to play Gameboy games on your mobile phone you should try this emulator. For more information see the Wiki http://sourceforge.net/apps/mediawiki/javagb/index.php.
    Downloads: 12 This Week
    Last Update:
    See Project
  • 2
    -PROJECT CLOSED- The Krysalis Community Project -was- the home of projects that follow, and can help to follow, Apache-style project guidelines.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 3
    Legacy Launcher

    Legacy Launcher

    Legacy Launcher for Android

    Legacy Launcher for Android is a free open-source replacement home screen application. It is built on top of the last version of ADW Launcher Free (from the open-source Cyanogenmod 7 branch), and most of the functionality comes from there. It is compatible with Android 2.1 to Android 2.3.7.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 4
    An easy-to-use, user-friendly GUI for archived file formats (jar, zip, tar). Explorer-type archive browsing with all the archiving functionality offered through a much easier, quicker & more understandable manner than its command-line counterpart. This project has been replaced by Archive Buddy [http://sourceforge.net/projects/archivebuddy]
    Downloads: 11 This Week
    Last Update:
    See Project
  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • 5
    OpenACS
    Automatic configuration server (ACS) implementing CPE configuration protocol CWMP as specified in TR-069.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    A Java-based Commodore 64 emulator for mobile devices and PCs. If you want to see the old C64 become alive on your mobile phone or PC then try this emulator. For more information see the Wiki pages http://sourceforge.net/apps/mediawiki/jmec64/index.php.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    Contineo is a Web-based Document Management System (DMS). Features: Folder organization, document Versioning, Bulk import, import from mailbox. NOTE: this project has been DISMISSED in favor of LogicalDOC http://sourceforge.net/projects/logicaldoc
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8
    Java Remote Desktop

    Java Remote Desktop

    Cross-platform java remote desktop control and desktop sharing

    jrDesktop is a cross-platform java remote desktop control and desktop sharing application that provides a remote display and control of a computer. It has many features. It works only on LAN, for the Internet-ready version visit www.firnass.com
    Downloads: 4 This Week
    Last Update:
    See Project
  • 9
    Welcome to the project page of the Open JMail Server - a scalable Java email server. Features POP, SMTP, IMAP, dynamic pluggable storage design, modular protocol handling, easy XML configuration and much more.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 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.
    Try free now
  • 10
    RAT (Remote Assistance Tool) is a Java Application designed for end user support and remote desktop control based on VNC. It is useable through nat devices and firewalls by connecting the communication end partners through a proxy server.
    Leader badge
    Downloads: 4 This Week
    Last Update:
    See Project
  • 11
    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.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    A program to configure BF2 preferences before BF2 is launched.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 13
    [discontinued, who wants me?] A bouncer for connections to the p2p network Filetopias server. Hiding your IP, it grant even more anonymity then filetopia does already.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    JSP Based File Manager. Allow view, create, edit, copy, move, delete, rename, compress/uncompress of directories and text type files. Allow transposition and resizing of image type files. Also allow external viewers and editors to be invoked for files.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 15
    is merged with http://code.google.com/p/android-openvpn-settings/ Was a small GUI wrapper to manage your OpenVPN configuration and tunnel on your Android powered device. It enables you to start/stop tunnels and to edit the configuration.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    xSocket is an easy to use NIO-based network library to build high performance, highly scalable network applications. PLEASE NOTE that the active development has been stopped. Currently this project supports bugfixes only
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    BinEditor is a editor for binary files, can show the bytes or nibbles as hexadecimal, decimal or binary value. Currently the project is dead, if any want to takeover, email to mariocastelancastro@gmail.com
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    The InstallGuru is a program written in Java for creating installers for Java and non-Java applications. Since this install application is written in Java, it can run almost on any operating system where there is a JRE.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    ----------------------------------- This project is no longer being actively maintained (it hasn't been worked on since around late 2006. I am leaving what code is available. If you wish to take over this project ... Please send me a message on my profile or email me at WilliamDeRieux@gmail.com. You can also contact me on twitter: https://twitter.com/Neoh4x0r and Google+: https://plus.google.com/+WilliamLDeRieuxIV/posts ----------------------------------- This Project's Purpose is to create network management and automation utilities and tools. It will allow developer's, who wish, create tools for such purposes. Any tool/utility that simplifies network tasks, is what this project will produce.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    sRTP is a simple, fast, and secure method of remotely administrating computer networks regardless of location and network architecture.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    A suite of software tools written in Java for authoring and delivery of IMS standard-compliant learning objects. *** This site only contains the source code. For the binaries go to http://www.reload.ac.uk ***
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    kissme is a free (GPLed) Java Virtual Machine. It is being developed on GNU/Linux and can run console java applications. kissme is to be used with the GNU Classpath java class library. kissme also provides support for orthogonally persistent java.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    A client/server architecture to allow the creation and playing of a configurable "Connect Four" like game.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    - INACTIVE -
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Amazon Web Service Management Console
    Downloads: 0 This Week
    Last Update:
    See Project