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

  • Host LLMs in Production With On-Demand GPUs Icon
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  • 1

    BestockTweaks

    A mod for minecraft

    As an avid Minecraft player, there are many times I felt both the game and available mods had some simple features missing, this mod attempts to rectify that with as much compatibility as possible.
    Downloads: 0 This Week
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  • 2
    BuildCraft

    BuildCraft

    BuildCraft mod for Minecraft

    BuildCraft is a mod for Minecraft. BuildCraft itself is licensed under the MMPLv1 or MPLv2 if you need the specifics, but generally, you can. By default, many simple (primarily worldgen/decorative) blocks are supported out of the box, such as the kind of blocks added by Chisel 2 or Ztones. However, for many other mods, special support is required to allow for rotation and remove the chance of duplication bugs appearing. BuildCraft Compat is a BuildCraft addon designed to add cross-mod compatibility with other mods. BuildCraft is in the process of moving back to the MJ power system. However, due to BuildCraft being in alpha no other mods support it (or should support it, as its still making breaking changes to the API.
    Downloads: 0 This Week
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  • 3
    A bukkit plugin that is open source. Use of trade via commands for minecraft server.
    Downloads: 0 This Week
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  • 4
    Das Plugin PVPPlugin für den Minecraft Server Mod ist ein Plugin, dass die Tode und Kills bei einem Arena TDM(Team Deathmatch) Kampf zählt.
    Downloads: 0 This Week
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  • Ship Agents Faster Icon
    Ship Agents Faster

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  • 5

    Charlotte's Utilities

    Charlotte's Utilities mod for Minecraft Forge made by Sharshar

    Charlotte's Utilities is my first adventure into modding Minecraft. I wanted to have some extra utilities and things for my server that I couldn't find in other mods, or if I could I was able to think of a different way that I would prefer to implement them. At its core, this mod pack is just a collection of utilities that I feel improve the game experience. Everything is fully configurable in the config file so you can change, enable, or disable whatever you feel is best for you! The mod has quickly developed into one that's aimed primarily at the builders of the Minecraft community, and I plan to expand on that idea going into the future. My goal is to provide new, unique, and easy ways to allow players to construct whatever comes to their mind. I take feedback very seriously and if you have a good idea I won't hesitate to implement it. Development of Charlotte's Utilities is made possible by Full Effect Hosting
    Downloads: 0 This Week
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  • 6
    A Web based system to interact with minecraft servers using rcon protocol.
    Downloads: 0 This Week
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  • 7

    Competitive Minecraft

    A competitive Minecraft mod and map

    This mod is all about making, as the name says, Minecraft into a more comptetitive-oriented game. Therefore this mod is about playing with, and against, your friends. This mod will mainly be focused on Capture the Flag, but will have Spleef-, Tunnel "Defense"- and 4 in-a-row content as well.
    Downloads: 0 This Week
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  • 8
    CraftBukkit-CommandsEX

    CraftBukkit-CommandsEX

    Modular Minecraft server plugin - commands, events, ...

    This project gives you freedom to get a fully-customized plugin for CraftBukkit Minecraft servers. You choose what to include and build it up. No more command collisions, no unnecessary memory and processor overhead on your server.
    Downloads: 0 This Week
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  • 9

    DNS Launcher 2

    DNS Launcher is a improved installer/launcher for the DNS TechPack

    DNS Launcher is a improved installer/manager for the DNS TechPack for minecraft, it gives you the ability to customize and install the modpack quickly and easily for you, giving you complete control of what you do and don't install.
    Downloads: 0 This Week
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  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

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  • 10
    Death Plague Gaming - Minecraft Modpack

    Death Plague Gaming - Minecraft Modpack

    This is the official "Death Plague Gaming - Minecraft Server Pack"

    Currently running r1.5.7 This is the source forge for the official mod-pack of the Minecraft Death Plague Gaming Community! Here is a link to how to install the mod-pack! The same tutorial can be found under the files tab located next to the summary tab! https://docs.google.com/document/d/1AbGVy0_6Qyx7xNaicG8KD_oF5kTwfGhcx2qqWP11Mww/edit?usp=sharing I hope you enjoy all my hard work! Please report bugs here! https://github.com/P3rf3ctXZer0/DeathPlagueGaming/issues Source-forge has a very unintuitive ticket system. Contact information Discord-Lobby https://discord.gg/gYFcFNQ Discord-Minecraft Team https://discord.gg/9swcJcD
    Downloads: 0 This Week
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  • 11

    Ender Mobs Mod

    A Minecraft modification which adds new ender type mobs.

    The End is boring? Or are Enderman not enough? Then this is the mod for you: It adds 3 new ender mobs into minecraft, each with its own abillity, for example the EnderNivis can walk in water or rain without taking damage or the EnderIgnis can walk through fire or lava. All of them spawn in the End and on the Overworld in specific biomes.
    Downloads: 0 This Week
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  • 12

    EverFrost

    EverFrost is a Minecraft dimension mod

    The Everfrost is a mod that is in production, with modders Jmax, odedrt9, Methuselah and miniman doing the programming and me as the texturer and idea creator. It is a dimension mod that adds a dimension that includes numerous items and blocks, new dungeon-like structures with lots of fun exploring opportunities, new mobs, and even some new enchantments and potion types.
    Downloads: 0 This Week
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  • 13
    Food Packing mod for minecraft
    Downloads: 0 This Week
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  • 14
    Gamer Group Content

    Gamer Group Content

    A minecraft Mod

    This is a mod for minecraft, The original idea came from lukasdragon in December, 2013. We revived it in April, 2014 (New Year's resolution maybe?). The mod will include many new ores and minerals, Animals and monsters, Toolsets and Armorsets. As this mod is in development anything can pass!
    Downloads: 0 This Week
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  • 15
    GriefPrevention

    GriefPrevention

    The official self-service anti-griefing Bukkit plugin for Minecraft

    GriefPrevention is a long-running anti-griefing plugin for Minecraft servers built around self-service land protection. It helps prevent damage, theft, unwanted building, and other griefing behavior before server staff have to respond manually. Players can protect their own builds with minimal administrator involvement, which makes it useful for public survival servers with many users. The project targets current Spigot, Paper, and Purpur servers, while older versions remain available separately for legacy Minecraft environments. It also has an addon ecosystem for extending protection behavior beyond the core plugin. GriefPrevention is best suited for server owners who want practical build protection, fewer moderation emergencies, and a player-friendly claiming system.
    Downloads: 0 This Week
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  • 16

    HeroCraftAbilities

    HeroCraft Abilities Using the CraftBukkeit Plugin

    HeroCraft Abilities Using the CraftBukkeit Plugin for Minecraft This is to include Spell casting for wizard type and priest type spells. These spells are to use spheres and schools to manage classification and to allow restricted use of abilities for game balance. Ather Abilities will also include turn of the undead, etc. Mana will be used to manage wizard power and spell casting. Karma will be used to manage Priest power and spell casting. All abilities will impact karma in one way or another. .
    Downloads: 0 This Week
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  • 17

    Hitman Plugin for Bukkit

    Hitman Bukkit Plugin by Arasus

    Hitman is a Minecraft plugin for Bukkit servers that allows you to add an awesome new clan to your server. Players can add their worst enemies to a global Hitlist for their ingame-money (like iConomy, EssentialsEconomy, etc.). These listed players will be then executed by a Hitman who will also earn money for finishing a job.
    Downloads: 0 This Week
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  • 18
    Hounda

    Hounda

    The ultimate MineCraft mod

    This mod adds ● Special mobs ● New buildings ● Upgraded villagers
    Downloads: 0 This Week
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  • 19
    JustEnoughItems

    JustEnoughItems

    Item and Recipe viewing mod for Minecraft

    A popular Minecraft mod providing a comprehensive item recipe viewer and search functionality for in-game items.
    Downloads: 0 This Week
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  • 20

    Klimente Server

    Minecraft RPG Server

    Klimente - Minecraft Server with RPG essentials. Realistic moving, first view camera, skills, and more other. Quest in planning. WIP
    Downloads: 0 This Week
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  • 21
    Kryptonite Mod

    Kryptonite Mod

    Mod for Minecraft | Adds Kryptonite and Kryptonite Block | By DJSyther

    A mod for minecraft that adds kryptonite and a kryptonite block, it can be used for a light source, it is made by one person and will be updated constantly, in the future there will be more uses for kryptonite, but currently it is not much. Sorry for the inconvenience.
    Downloads: 0 This Week
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  • 22

    LetsPlay Bukkit plugin

    LetsPlay is a bukkit plugin.

    This plugin is designed for the minecraft community LetsPlay.nu. It contains several gamemodes like "Hunger Games", "Capture the Block" and "Diggy Diggy".
    Downloads: 0 This Week
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  • 23
    A light weight Minecraft server being developed for C++. Goal is multi-level support and to implement a networking server in Java for cross server connection.
    Downloads: 0 This Week
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  • 24
    Adds automations into the Minecraft client which function within SMP servers.
    Downloads: 0 This Week
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  • 25

    MCBullsEye

    Bow and Arrow BullsEye game plugin for Minecraft Bukkit servers

    MCBullsEye is a Minecraft game plugin allowing you to create Bow and Arrow courses for competitions. Each player plays on their own course. Multiple games with multiple courses can be created. Create multi-player courses and compete head-to-head to blow-up your targets first. Use any block as a target. When the block is hit it explodes. This is the first beta. I believe most functionality is working properly, but I've only tested it on my machine. Any feedback is appreciated. Known issues: Directional blocks may not stay facing the direction they were placed after the game is reset. Future functionality: Disappearing target blocks.
    Downloads: 0 This Week
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