Mods for Minecraft Java
Browse 45 free mods for Minecraft Java — popular picks include CB Multipart, Forge Multi Part, Cosmos Library.
Updated daily
CB Multipart
An opensource library for having multiple things in the one block space
Forge Multi Part
an opensource library for having multiple things in the one block space.
Cosmos Library
Main required library for all TheCosmicNebula_ mods.
CosmicLib
Shared library for CosmicDan's Minecraft mods
Advanced Rocketry Tweaker (AR Tweaker)
Adds CraftTweaker support to Advanced Rocketry
Dual Hotbar
Double your hotbar space
Advanced Tweakery
CraftTweaker support for new Advanced Rocketry
Advanced Rocketry Tweaker (ARTweaker) Updated
An addon for Advanced Rocketry that allows recipe modification via CraftTweaker scripts
MatterLink
Simple bridge between Minecraft, Mattermost, IRC, XMPP, Gitter, Slack, Discord, Telegram, Rocket.Chat, Hipchat(via xmpp), Matrix and Steam.
Bundle Weight, There's More!
Adds an item component for controlling the weight of an item in a bundle (how much space it takes up)
Astromine: Core (No Longer Used)
The API module of a space-themed technological modification with exploration, weapons and progression in mind, adding our APIs and libraries.
Exposure: Space
Astrophotography expansion for Exposure. Discover 200 real celestial objects and build your own space catalog.
HammerMultipart
Library to place multiple things in one block space.
Neroland Core
The shared foundation library for the Neroland sci-fi mod ecosystem — required by Nerospace and every other Nero mod.
DynamicDimension AR Edition
Library mod allows dynamic level creation, finetuned for advanced rocketry
RocketPlaceholders
Create custom placeholders for PlaceholderAPI with a lot of custom conditions.
BossTools Performance
Performance optimizations for extremely questionable Space-BossTools code
AudioLayer
Load your own MP3 files from a local folder and play them in-game under the `audiolayer` namespace. It also includes built-in KubeJS support for client-side scripting, plus ready-to-use examples for modpack and gameplay integration.
Color Legacy Wood Planks
A Library mod for an upcoming Liminal Spaces dimension mod, this is a required dependancy but can be used by itself.
CelestialLib
A library mod for space exploration mods, like Celestial Exploration
Client Base
Bringing your pause menu to physical space!
TagLib
Library for Tags via NamespacedKeys
LibVulpes-TFRU
A forked ver of Libvulpes for TFRU, contains necessary modificaions for AdvancedRocketry-TFRU to functions properly

Planet - Border teleport
Border-teleport mod: teleports entities crossing world borders (±326) to opposite side. Perfect for 1:326 Earth maps. Open-source (remix allowed, but must keep code open).
Satako Library (1.21.1, 1.20.1) – UI System, Various Functions
Satako Library is a library for Forge modding. It contains various useful things, UI system and various functions. It also adds 3 commands to the game: give2, summon2 , fill2 which let you specify namespace and path of the arguments separately. Features: Minecraft-related constants, including colors and their codes. Custom user interface components (button, switch-button, […]
CB Multipart Mod (1.21.1, 1.20.1) – Combine Parts in One Block
CB Multipart Mod (formely known as Forge Multipart) is an opensource library for having multiple things in one block space. Features: Allows multiple modded parts, like cables or panels, to fit inside one block. Acts as a core library that other mods depend on to add multipart blocks. Lets you combine different small items from […]
Gaming Deco Mod (1.20.1, 1.19.2) – Decorate a Gaming Setup Room
Gaming Deco Mod adds computers, monitors and many wide blocks related to gaming: Monitors, PCs, PlayTics Stations and much more… Features: Adds items like computers, monitors, keyboards, and gaming consoles (e.g., PlayTics Stations) to decorate your spaces. Includes RGB-themed blocks and accessories for that ultimate gamer vibe. Screenshots: Requires: Minecraft Forge or Fabric API Gaming […]
Cosmos Library Mod (1.21.1, 1.20.1) – Dependency for The Cosmos Mod Series
Cosmos Library Mod is a collection of helper functions designed to make creating Minecraft mods quicker. It doesn't add any new features to the game itself. Instead, it serves as a base for other mods, allowing developers to avoid duplicating common code. This mod is part of The Cosmos Series by TheCosmicNebula and is required […]
ARLib Mod (1.21.1, 1.12.2) – Library For Advanced Rocketry Reworked Mod
ARLib Mod is a core library mod designed to support and streamline the functionality of mods in the Advanced Rocketry Reworked ecosystem. It provides essential tools and shared resources that enable integration and performance optimization for dependent mods. Features: Core Functionality: Supplies foundational code and systems required for Advanced Rocketry Reworked and its related mods. […]
LibVulpes (1.16.5, 1.12.2) – Library for zmaster587's Mods
LibVulpes is a small library containing functions and classes common to zmaster587's mods. Currently required to run the following mod: Advanced Rocketry. LibVulpes Download Links For Minecraft 1.7.10 Download from Server 1 For Minecraft 1.10.2 Download from Server 1 For Minecraft 1.11.2 Download from Server 1 For Minecraft 1.16.5 Download from Server 1 For Minecraft […]
Advanced Rocketry Tweaker Mod (1.12.2) – Compatibility, Addon
Advanced Rocketry Tweaker Mod is a way of working with Advanced Rocketry recipes with Craft Tweaker. Sample script: // Chemical Reactor //mods.advancedrocketry.ChemicalReactor.clear(); mods.advancedrocketry.ChemicalReactor.removeRecipe(<liquid:rocketfuel>); mods.advancedrocketry.ChemicalReactor.addRecipe(<liquid:rocketfuel>*1000, 80, 100, <liquid:oxygen>*500, <liquid:hydrogen>*500); //mods.advancedrocketry.ChemicalReactor.addRecipe(<minecraft:obsidian>*1, 80, 100, <liquid:lava>*1000, <liquid:wat
NasaTweaker Mod (1.12.2) – Enhance Galacticraft
NasaTweaker Mod expands Galacticraft by adding CraftTweaker support for its machines, allowing players to customize recipes and functions for Galacticraft machinery. This mod is ideal for players who want more control over the processing and crafting mechanics within their space exploration setup, providing flexibility and customization for a more tailored experience. Features: Offers recipe customization […]
Galactic Tweaks Mod (1.12.2) – Balance Your Space Travel
Galactic Tweaks Mod adds CraftTweaker support for the Galacticraft mod. It lets you customize many of Galacticraft's recipes to fit your game. You can add new recipes, remove existing ones, or change what's needed to craft items like rockets and machines. Features: Add new shapeless recipes to the Compressor. Remove any existing Compressor recipes. Add […]
CosmicLib Mod (1.12.2) – Library for CosmicDan's Mods
CosmicLib Mod is a dependency for CosmicDan's mods to provide shared and common functionality. CosmicLib Mod Download Links For Minecraft 1.12.2 Forge version: Download from Server 1 – Download from Server 2
Compact Status Effects Mod (1.18.2, 1.17.1) – Brief Status Effects
Compact Status Effects Mod is a Fabric mod that changes how status effects are displayed. This mod will reduce space consumption of status effects. Features: No name display: No sprite display: Only name display: Effect name color shows how long until effect runs out Screenshots: Requires: Fabric Modloader Fabric API Architectury API Cloth Config API […]
Galacticraft Tweaker Mod 1.12.2 for Galacticraft
Galacticraft Tweaker Mod 1.12.2 adds ability to remove / add shapeless Compressor Recipes. This mod adds ability to remove / add Circuit Fabricator Recipes. This mod also adds ability to change Space Station Recipes. Galacticraft Tweaker Mod 1.12.2 Download Links For Minecraft 1.12.2 Download from Server 1