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

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    Auth0 for AI Agents now in GA

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    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    DEPRECATED! This program is replaced by Gamer's Proxy: https://sourceforge.net/projects/gamersproxy/ This is a simple Java program that holds UDP packets for a while before forwarding them to a target address. This can be used to simulate ping in video games.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    A self-guiding Flash front-end with a 100% Java-based XML parsing gateway that combines the look and functionality of a streaming game client with a background processing system for handling distributed data packages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    A small Java program, with a server and a client. Clients can connect to the server and a simple character can walk around on a grassy plane, like an online game. Nothing special, but some people wanted the sourcecode.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    RconX is a graphical administration tool for most game servers using the RCON protocol. Developped in Java, it's compatible with most OSes. Features: server list, server query, server settings dialog, rcon console, player management, plugin list etc.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Nonprofit Budgeting Software Icon
    Nonprofit Budgeting Software

    Martus Solutions provides seamless budgeting, reporting, and forecasting tools that integrate with accounting systems for real-time financial insights

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  • 5
    Please visit github for the plugin
    Downloads: 0 This Week
    Last Update:
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