Minecraft Java 1.21 Mods
Browse 857 free mods for Minecraft Java 1.21 — popular picks include Exposure: Space, Rocket Mounts, Voidflare Galaxy Skybox.
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Exposure: Space
Astrophotography expansion for Exposure. Discover 200 real celestial objects and build your own space catalog.
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
Voidflare Galaxy Skybox
🌌 1.21+ Voidflare Galaxy Skybox Perfect for Bed Wars, SkyWars, and any competitive mode
Create Propulsed
A mod adds rocket engines to Create: Simulated
Space Cube
Space Cube is a mod that creates space in another dimension
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 :)
Space Cube (Fabric)
Space Cube is a mod that creates space in another dimension. Inspired by Compact Machines
GalaxyByne's Mailboxes
A simple to use, multiplayer friendly mailbox datapack using addresses as recipients.
Beyond Cosmos
Space Exploration Pack with Custom Code And Storyline!
Star Wars Planet Stellaris
Explore the beautiful and vast universe of Star Wars !
HammerMultipart
Library to place multiple things in one block space.
![Voidflare Red Galaxy Skybox [1.21+]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/237258.webp)
Voidflare Red Galaxy Skybox [1.21+]
🌌 1.21+ Red Voidflare Galaxy Skybox Perfect for Bed Wars, SkyWars, and any competitive mode
![Rocket Mons [Cobblemon]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/262332.webp)
Rocket Mons [Cobblemon]
A mod that adds Celesteela to cobblemon
KeepThatInventoryOpen
A simple client side mod that takes off inventory closing packets, so you can use the crafting grid as an additional storage space.
![[HMI] Tiny Items](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/125006.webp)
[HMI] Tiny Items
Hold my items texturepack that makes your items take less space on screen keeping original animations untouched.
Create: Fallout
A Fallout-inspired expansion for Create, adding iconic Nuka-Cola items, Sugar Bombs, bottle-cap currency, pre-war consumables, and new wasteland structures like the Red Rocket Station and Broadcast Station.
Armor Gauntlets
A simple resource pack that adds gauntlets to armor. Originally made because of a reddit comment and posted to planetminecraft, now updated to 1.21.
No Crawling and Old Sneak behaviour
A mod that disables crawling and crouching/sneaking under 1,5 block spaces
Better Animal Feeding
Feeding mobs in confined spaces is now easier.
Galaxy Client Remake
Enjoy smooth PvP with Galaxy Client visuals and Dark GUI.Simple, and stylish gameplay made for every Minecraft player who loves seamless battles.
Create: Northstar - Structures
An addon that adds structures to the planets of Northstar Redux.
RA: Redstone Additions
Introduces redstone logic gates and a compact clock designed for space-efficient builds.
Spaceward Expansion
Bring Space to Minecraft
Cosmos Infinia
Simple Space Exploration Mod. Explore The Interstellar Voids
The Old LMB
A Mod that adds new Bosses, more angry mobs and some animals from our planet
Guns, Blimps, and Factories
Enhances Minecraft with guns, blimps, factories, and even rockets.
Better Rockets
Stores firework rockets to never run out of them in your elytra flight!
Simple chat - with friends
Talk with your friends using proximity voice chat, enhanced with immersive echo and reverb effects in caves and enclosed spaces.
Carl
Quack Quack! Carl the Space Duck - DejojoTheAwsome's silly, little companion
SV Better Milky Way
Finally updated to Stellar View v0.4.X! Endeavors to make the galaxy more vibrant and realistic!
Better Small Shield
Makes your shield smaller to prevent it from covering extra space on your screen
Starflight Innovation
A different approach to gameplay and aesthetics for a space exploration mod. One might call it rocket science...
Cobblemon / Stellaris Compatibility Patch
Allows Cobblemon's Pokemon to spawn on planets from The Stellaris Team's Stellaris mod.
FilterLite Shaders
A lightweight, screen-space post-processing shader focused entirely on color grading and camera filters. Features 20 built-in presets (Cinematic, Vintage, Lo-Fi, etc.) with minimal FPS impact.
Space's Craftable Chainmail Armor
Chainmail Armor is now craftable using actual Chains! A vanilla-friendly datapack that fills the armor gap and gives the Chain item a much-needed purpose.
Stellaris StellarView Compatibility
Overrides Stellaris planet sky with StellarView sky