Forge Mods for Minecraft Java
Browse 683 free Forge mods for Minecraft Java — popular picks include Advanced Rocketry Tweaker (ARTweaker) Updated, Darwin 4, CosmicCore.
Step by step: How to install Minecraft Java mods & modpacks
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Advanced Rocketry Tweaker (ARTweaker) Updated
An addon for Advanced Rocketry that allows recipe modification via CraftTweaker scripts
Darwin 4
Explore an alien planet Darwin IV from an iconic book The Expedition by Wayne Douglas Barlowe.
CosmicCore
The Core of Cosmic Frontiers
Compressed Factory
This is a space managing mod. By compressing space you can fit large rooms in a much smaller space.
Remove Chat Bracket
Remove bracket from the chat and leave only one spacebar between player name and the message.
Companion Lockers - Vault Hunters Addon
Companion storage saving space and making it neat
Space Dimensions
A Mod That Adds Mars and the Moon (Beta)
Cosmic Rocketry [CR]
Ad Astra Rocket Extension
Ad Astra Planetary Swapper
Adds a simple item to Ad Astra that allows for space travel without rockets
Aesthetic Shelving
Add beautiful, functional wooden shelves to Minecraft! Display items, decorate interiors, and organize your space with style using Aesthetic Shelving.
Multitools Enhanced
Combines all of the tools (pickaxe, axe, shovel and hoe) in one item to save inventory space.
VS Genesis
A space mod for Valkyrien Skies
Liminal Spaces Project (Discontinued)
Ultra-realistic horror liminal spaces in Minecraft.
HBM's NTM CE: Space
The only existing port of NTM: Space 1.7 fork onto 1.12.2 in a form of addon for NTM: Community Edition.
GTQTSpace
Core mod for modpacket GTQT
Resource Trimmer
Reduces network overhead by removing the namespace from vanilla resource locations.
Genesis
A space mod for Valkyrien Skies
Animal Planet Mod
this is mod with countless animals

Astral Zinc
Adds zinc to some planets in Ad Astra.
Space's Simple Graves
Vanilla Graves automatically secures your inventory into a chest at your death location and sends you the exact coordinates so you can gear up and head back out.
Creating space gravity addon (DISCONTINUED)
Adds low gravity
Titled Starfish Galaxy Systems: Scline
The Scline System of the Tilted Starfish Galaxy has 7 Planets, each having at least one moon. The total of these together is 63 worlds!
Space's Sponge Crafting Recipe
Adds a vanilla-friendly, ocean-themed crafting recipe for the uncraftable Sponge block.
Zero Point Labs
Innovative technologies for high-performance spacecraft locomotion.
Space's Day Counter
A GUI overlay that displays the current day on the bottom of the screen.
Galacti Craft - Green Space
Adds UNIVERSE To The Game!!!!
Ul's Liminex Blocks
Build haunting, liminal, surreal worlds with over 60 new vanilla-style blocks designed for eerie liminal and dreamlike spaces -Also, fully compatible with Lost Cities.
Advanced Paintings
🎨 Transform your game into an art gallery with Advanced Paintings! This mod adds a diverse selection of paintings, from abstract to serene landscapes, in pixel art styles. Personalize your spaces and bring timeless art into your game! 🎮
TLOTD
Explore the ancient times, when dinosaurs ruled the earth, dig deep into the earth to find more valuables or adventure into the unknown depths of space! The sky is the limit!
The Cosmic Forest (TCF) REWORK IN PROGRESS
A meteor falls from the sky, allowing you to BECOME a COSMIC INFECTION.
Orbital Strike
Adds a powerful Orbital Strike item that create a devastating space to ground orbital strike with beautiful effects. NOT COMPATIBLE WITH SHADERS
Rocket Mounts
Rocket Mounts transforms your trusty steeds into soaring companions, allowing you to propel through the skies with the exhilaration of rocket-powered flight, akin to the famed Elytra
Firework Cooldown
Gives firework rockets a cooldown after using them to boost an elytra
Advanced Rocketry Holo-Assembler
Holo-Assembler for Advanced Rocketry: adds a powerful utility item for building Advanced Rocketry multiblocks.
The Pocketaverse - Pocket dimensions
This mod adds a way to create and go to pocket dimensions to provide more space ,add some extra exploration & imprisoning people :)
Model Railroads
This mod adds a whole range of track pieces, and locomotives and rolling stock. You can build you own layout, and run trains, in your attic, without taking up to much space!