Java Mod

Open-source Java projects categorized as Mod Edit details

Top 23 Java Mod Projects

  • MinecraftForge

    Modifications to the Minecraft base files to assist in compatibility between mods.

    Project mention: so, what happened is that I downloaded the new wither storm mod and when i opened one of my worlds to check out another mod and it gave me a warning about experimental settings, and later I deleted the wither storm mod because it was laggy {different w opened the previous world and got this, why? | | 2022-07-29

    If I'm not mistaken, this is a bug with Forge:

  • easydeviceinfo

    :iphone: [Android Library] Get device information in a super easy way.

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • BuildCraft


    Project mention: [Galactic Craft] Oil Spring | | 2022-01-09

    If you want to change how fast the Oil spring generates new oil above it, here's the source of Buildcraft for the oil spring block.

  • Applied-Energistics-2

    A Minecraft Mod about Matter, Energy and using them to conquer the world..

    Project mention: i can't make the wooden crank in Applied Energistics 2. why? | | 2022-06-06
  • ReplayMod

    Minecraft ReplayMod

    Project mention: is replay mod a scam? | | 2022-06-18

    No it's not. If u rlly need proof that it is not a scam, look at their GitHub repo ( It's also open source as well.

  • JustEnoughItems

    Item and Recipe viewing mod for Minecraft

    Project mention: Anyone Knows what mod can cause items of the same type to not stack, and maybe how to fix it? | | 2022-08-06

    Just Enough Items (JEI) (by mezz)

  • twilightforest

    Twilight Forest repository

    Project mention: I don’t know what I’m doing wrong for the twilight forest. It says it’s in the mid pack so why isn’t itbworking | | 2021-12-26

    Here's a link to the files in the source with all of the default Portal-valid blocks:

  • SonarLint

    Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.

  • oc2

    RISC-V VMs in Minecraft.

    Project mention: Being 500x faster than python still means it's 10x slower than C | | 2022-06-22
  • minecolonies

    Minecolonies minecraft mod

    Project mention: Builders dont want my clock! | | 2022-08-10

    Go to the homepage, at the bottom are two links. One for Patreon and one for Discord.

  • MCCustomSkinLoader

    Custom Skin Loader for Minecraft

  • Sketchware-Pro

    Sketchware Pro's sources, in Java. Now anyone can contribute to Sketchware Pro.

    Project mention: App Maker software? | | 2022-03-08

    Apk available on GitHub

  • ModTheSpire

    External mod loader for Slay The Spire

  • refinedstorage

    An elegant solution to your hoarding problem

    Project mention: PSA: Update Refined Storage For Covers | | 2022-07-26
  • MCXR

    VR minecraft mod using OpenXR and fabric

    Project mention: Minecraft with 1024 chunk render distance | | 2022-07-11

    Unfortunately, I couldn't get it to work with MCXR. I haven't tried it with Vivecraft, since that isn't updated to 1.19, and I'm not too sure how to use Fabric mods with it.

  • bttv

    A mod of the Twitch Android Mobile App adding BetterTTV, FrankerFaceZ and 7TV emotes

    Project mention: TwitchMod was the best client for Android. Sadge | | 2022-07-16

    Weird that I haven't seen it mentioned here... Bttv has an "official" client

  • TechReborn

    Tech Reborn is a completely standalone tech mod including tools and machines to gather resources, process materials, and progress through the mod.

    Project mention: Job blocks for Tech Reborn (?) Villagers? | | 2022-08-05
  • Ice_and_Fire

    Minecraft mystical mod

    Project mention: New semi-expert modpack - Looking for testers | | 2022-07-06

    And the fix here:

  • CraftTweaker

    Tweak your minecraft experience

    Project mention: Crafttweaker scripts 1.16.5 HELP | | 2021-11-22

    I really do need to stress, you shouldn't be spamming this subreddit with scripting questions, ask in the discord ( or ask on Github Discussions (

  • AgriCraft

    The source code for the Minecraft mod: AgriCraft

    Project mention: Can I add Mystical Agriculture seeds to Agricraft? | | 2022-03-28
  • simple-voice-chat

    A working voice chat in Minecraft!

    Project mention: Minecraft (Java) Mod doesn't produce sound output | | 2021-08-25

    I wanted to play Minecraft Java edition with a mod called simple voice chat. Its a mod that adds voice chat functionality to the game.

  • The-Betweenlands

    A dark, hostile environment...

    Project mention: I've been hosting a SMP for my friends and whenever one of my friend joins it keeps giving me this error and completely shuts down the server. Is there any way to fix this without resetting his player data? | | 2022-05-29

    A multithreading mod for for Minecraft forge 1.15.2 and 1.16.x

    Project mention: If you could change/add anything to Minecraft what would it be, and why? | | 2022-08-09
  • AntiqueAtlas

    A Minecraft mod that adds a fancy interactive map item.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2022-08-10.

Java Mod related posts


What are some of the best open-source Mod projects in Java? This list will help you:

Project Stars
1 MinecraftForge 5,674
2 easydeviceinfo 1,711
3 BuildCraft 1,275
4 Applied-Energistics-2 1,081
5 ReplayMod 610
6 JustEnoughItems 577
7 twilightforest 499
8 oc2 454
9 minecolonies 430
10 MCCustomSkinLoader 361
11 Sketchware-Pro 353
12 ModTheSpire 303
13 refinedstorage 293
14 MCXR 291
15 bttv 287
16 TechReborn 281
17 Ice_and_Fire 236
18 CraftTweaker 226
19 AgriCraft 205
20 simple-voice-chat 204
21 The-Betweenlands 198
22 JMT-MCMT 195
23 AntiqueAtlas 194
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