Minecraft Java 1.21 Mods
Browse 860 free mods for Minecraft Java 1.21 — popular picks include Fast Path Original, Space Block Eclipse, CobbleFrontier.
Updated daily
Fast Path Original
You run faster when running on a path (original from planetminecraft)
Space Block Eclipse
Stranded on the Moon, you must survive and build with minimal resources. You build a Space Emperium and will rule over the solar system.
CobbleFrontier
CobbleFrontier is a Create + Cobblemon adventure pack with massive worldgen, Pokémon, trains, aircraft, colonies, dungeons, guns, seasons, realistic weather, and space exploration.
EndlessMine
Adds a resource-gathering dimension to Minecraft, giving players unlimited space to gather resources without destroying the Overworld.
Wheelchairs | Rideable wheelchairs for itemsadder!
Craft and drive around in normal or Rocket powered wheelchairs!
Orbital Horizons
A new and unique space mod
Infini Rockets! 🚀
Infinite Rockets here we come!
Galaxy Blue
Galaxy Blue features a beautiful blue cosmic sky with glowing stars, vibrant colors, and a relaxing galaxy atmosphere. 🌌💙
SV Kerbal Skies
Replaces default solar system with the one from Kerbal Space Program.
3D Firework Rockets - From A Minecraft Movie
A 3D model of the Firework Rocket from A Minecraft Movie.
SolarSpace
SolarSpace Is space exploration mod based galacticraft but more planet can you explore.
DynamicDisasters
Experience extreme, physics-based natural disasters like tornadoes and cosmic rifts in 1.21.1 – zero custom textures, fully shader-optimized!
RocketLauncher
Adds a new enchantment for the crossbow that makes you fly through the air when you fire a rocket of any level.
LittleBigPlanet Item Pickup
This changes the pickup sound into the sound when you get a point in LittleBigPlanet
Zeeraket
Adds sea rocket (Cakile maritima), a glabrous, succulent annual, with a slender or stout taproot.
SpaceFrog's Less Annoying Wandering Traders
Do you think Wandering Traders sound obnoxious or annoying? This pack solves the problem by replacing their sounds with Villager sounds.
Laicaps
[Alpha] A fantasy space exploration mod - for neoforge 1.21.1
Space Station Craft 14
This project aims to recreate the game Space Station 14 in Minecraft.
CosmicUtilities
CosmicUtilities is a utilities mod that improves gameplay. Specifically made for CosmicPrisons, brought to you by the Minecoin team.
Faster Rockets Mod
This mod adds rockets, which are basically faster fireworks
Create: Aerospace
A modpack featuring Create: Aeronautics and Creating Space, as well as Create: Power Grid and Create: Nuclear
Arqone Frostline
Frostline is a survival-focused Minecraft modpack. Frostline Modpack is meant to be more than just a Modpack. It's a cozy winter experience, a space to connect, relax, and enjoy Minecraft during Christmas times.
Space Update
dannytaylor's April Fools' 2025 "Update"
Cosmic Carrot Craft
Farming Centered Pack to play with friends
GOTG 1 Music
Changes the default disk music to the Guardians of the Galaxy soundtrack
SpaceFrog's Forever Young Tadpoles
Have your cake an eat it too! You can now keep your beloved tadpoles in their baby forms while still letting them grow to be adult frogs. Confusing, but it works!
Planetarium: Semi-realistic
Somewhat realistic planet scaling for Planetarium.
ThirdPlanet
Experience pure vanilla Minecraft on the ThirdPlanet server, enhanced with smooth performance and quality-of-life improvements.
MAKE YOUR BUILDING LIMIT UP
Think Minecraft doesn't have enough building space? Want to build taller buildings? Try our data pack and you can increase the building limit up to 4064 blocks!!
Mega World Height
Mega World Height expands the Overworld build and generation height, giving you much more vertical space for mining, building, exploration, and custom world generation. By default, Minecraft’s Overworld height is limited to a smalle
by SukaiiXb
by SukaiiXb is a dark cosmic CPvP pack floating in a deep purple nebula — pitch-black netherite, vivid teal diamond, and a universe-edge atmosphere built for competitive play. 🌌
Copper Storage
Adds Copper Boxes that work like Shulker Boxes with limited space.
Elytra toggle
This mod allows you to deactivate your elytra while flying by simply pressing the spacebar.
Aeronautics: Skyward
Build, fly, dive, and explore — airships, submarines, and rockets, all with realistic physics.
CosmicExtractions
Utility mod to improve QOL and enhance gameplay within the Extraction feature on CosmicSky.
Galaxy prime Sky
A premium galaxy sky with vibrant stars and deep space colors. 🌌