Minecraft Java 1.21 Mods
Browse 1,097 free mods for Minecraft Java 1.21 — popular picks include Alex's Caves: Refabricated, Fathoms, Cosmic Frontiers.
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Alex's Caves: Refabricated
An unofficial Fabric port of 'Alex's Caves' - Explore five new rare cave biomes hidden under the surface of the Overworld...

Fathoms
Dredge the depths, seize the seas, and find secrets untold deep below the waves...
Cosmic Frontiers
A journey lost through space and time. A Gregtech Modpack focused on sci-fi and arcane themes.
Tom's Cobblemon
A Cobblemon pack with Immersive Engineering as the main tech mod, no tool durability and a vast world to explore!
Create: Rock & Stone
Create: Rock & Stone aims to close the gap between Create and traditional factory game experience by bringing infinite mineable resource deposits into the world. Make your own massive drill and cash in on the bounties of nature!
MineColonies - Cobblemon Conquest
Integrating MineColonies, Cobblemon, Create 6.0, Immersive Engineering and other popular tech mods into a beautiful, expansive world. Including a mixture of many of your old-school favorite modded dimensions as well as new!
Endertech Infinity
Game expansion mod, adding post-End content, many worlds to explore and much more!
Medival, Magic & Tech NeoForge
My combination of Medival and technology mods.
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
Classic Beta Biomes
Brings back the nostalgic feel of old Minecraft with a classic Beta-style biome!
Alien AGF Series
A modpack that brings technology from Mekanism, space travel from Ad Astra, and Xenomorphs from Gigeresque to create a grand suspense filled adventure! Help AGF (Anomaly Glitch Foundation) find the xenomorphs to either contain them or irradicate them.
No Man's Craft
Explore infinite planets !
Create: Cobblemon [Cardboard Edition]
A Casual Modpack that includes various mods such as Create where you can automate almost anything you can think of, Cobblemon to catch friends and fight various monster in engaging battles, Minecolonies where you can become a mayor of your own town!
Syconn's Star Wars Mod
Travel To a world Far Away. Meet your favorite Star Wars Characters and adventure in custom dimensions and biome.
FlatEdit+
A rework of the horrific superflat creation screen.

Ben 10: Unearthed
This datapack is one that aims at seamlessly implementing Ben 10 into Minecraft, with an exploration based twist!
The Warhammer 40k Mod
Warhammer Inspired Minecraft Mod
Create: New World | A Milestones-Driven Experience
Gather materials using Create automation to complete various milestones, unlocking more advanced components and technologies as you progress.
Medival, Magic & Tech Forge
My combination of Medival and technology mods.
Aero Islands (for Create Aeronautics)
Sky island world generation from Isabel's Aeroscapes.
Thormen 1.21.1 - Mekanism - Spaceships - ICBMs - Force Fields - Nuclear Science - Voltz successor - Modpack server running
Voltz as it should have been. Yes, it has ICBM's, and you bet - lots more
[1.21.11 UPDATE] Better Biomes
Adds many different cool and amazing biomes, blocks, items, trees, and features to Minecraft.
Perfect Parity Neo: Pale Garden Awakens
Pale Garden , 1:1 Backport in Neoforge ;) Orinigal Mod By montmaj
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
Create Defensive
Create: Defensive is a military-industrial expansion to the Create mod centered on warfare and defense.
Timo
This Data Pack/mod adds many new recipes, advancements and structures. This Data Pack/Mod improves many Loot Tables.
Creat Aeronautics Structures
This mod adds natural-looking structures built from Create and Create: Aeronautics blocks to Minecraft 1.21.1. The ruins of engineering houses, abandoned boats, soaring airships, and robber balloons will fit seamlessly into your worlds without disrupting
Sky Blox
The Sky Blox datapack is a brand new way to play Skyblock. It features a custom advancement tree that guides you through the content, as well as loads of new gameplay mechanics to allow you to obtain and automate nearly any material in the game.
Modified MC
[VANILLA ++] Better Minecraft Modpack... but Modified! - w/ A full Quest system, the Create mod, More Tools & Cosmetics, Minimap, Per-Player Loot, & more Quality of Life Mods!
Farmer's Colonies
Farmer's Colonies is a Modpack centered around Minecolonies and Farmer's Delight. With seasons, custom Worldgen and more.
Clay Overhaul
Add new uses to Minecraft clay!
PerformanceX
Struggling with LAG??? Look no further! PX is an All-in-one server performance suite - 50 modules including item/mob despawn timers, AI throttling, lag machine detection, auto backups, Discord webhooks, Geyser support, and more. 1.8.8-26.2.
galactic create
A massive Create addon introducing oxygen mechanics, custom planets, inter-dimensional spacecraft, alien mobs, and procedural space structures.
Contamination
The world is ending, the air fills with deafening silence. Can you survive?
Cosmicore
Explore the world for the strange space stones, but beware the skies because- METEORS INCOMING!
Ultimate Create and Vehicles Modpack
a modpack with new boats, planes, cars, create mod, mrcrayfish's furniture mod and some more!