Minecraft Java 1.21 Mods
Browse 1,710 free mods for Minecraft Java 1.21 — popular picks include Rogue Worlds, C2Chunk, Oganesson.
Updated daily
Rogue Worlds
Transforms the game into a roguelike with many unique upgrades, custom structures and multiple levels
C2Chunk
The mod allows you to change the default height of the world without restrictions.
Oganesson
Finally, bring the full periodic table to Minecraft!
Lost in Dreamland(迷失梦域国)
Add a series of new things.Including a new dimension.

PyroGeography
Addon that makes changes to the wildfire system of ProtoManley's weather mod and adds new environments and equipment.
Zhengels's additions
This mod adds vanilla+ stuff and fixes some minecraft's flaws.
3K08 (SCP-3008)
A mod inspired by SCP-3008 and attempting to recreate its atmosphere
Golem Gear
A Mod themed off of Iron Golems. The mod adds many features such as golem blocks, golem ores, golem tools, and much more!
uiinpui's Enchantments (legacy version)
A collection of enchantments that I wanted to make because I was bored and wanted to learn how making datapacks works :>
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
Disable Structures by choice
This Datapack was originally designed for Skyblock_infinit to be able to disable specific structures by choice
TerrariaCraft (NeoForge)
A Minecraft modpack that brings Terraria’s unique items, mechanics, and enemies into the Minecraft world.
BetterReset
Minecraft plugin that lets you safely reset a world’s Overworld, Nether, and End while the server is running, with player protection, async deletion, and full regeneration in one command or GUI.
Ban bat
Do you hate these annoying little pests? This mod/datapack can make them disappear!
Server Hardcore
A simple mod that makes a new world every time a player dies in hardcore.
Garden Depths
Adds new interesting features to Minecraft's Pale Garden.
Koniavacraft
Explore the fusion of magic and technology in 'Koniavacraft' and drive your arcane industrial revolution!
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
Zob's Mining World
Not a simple mining dimension.
Canadian Content
Beavers and moose with unique behaviours, cooking pot for crafting new foods, tapping trees for maple syrup, thermos for better soup
Mechanical suffering
Modpack with little bit of everything. Create, BetterEnd and BetterNether, Ice & Fire, Born in Chaos, Cataclysm , Mowzies mobs and lot more.
Terrarian Might
Adds content from Terraria, without overshadowing Minecraft's content.
Bizarre West
Face the bizarre world of wild west
Restful Hellscape
Letting you sleep in the dimensions you're not supposed to.
beyond_the_skybox ru version
A broken story full of broken truths. A story of a treacherous tragedy displayed and shown in the form of dimensions and events. Something happened, that was never meant to be.
MobPVP // CANCELLED
MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.
Still Chopper
Still Chopper is a standalone physical tree-felling runtime for the Still platform. Chopper makes small and medium trees fall into physical fallen-log reconstructions while preserving support
TerraTrees
A Plugin to spawn Terra structures for trees instead of vanilla ones
Cobblemon - Mechanical Legends
Mechanical Legends includes Create/Create Aeronautics, all 1025 Pokémon, a currency-based economy, challenging quests, and many unique features for a deep Cobblemon experience.
NeoPasterDream
Also known as the NewPasterDream, it is a port of the original mod to the 1.21.1 NEO loader, and has been restructured to make it more oriented towards adventure themes.

Yumecraft
A mod that adds liminal dimensions to your minecraft world. Inspired by Yume Nikki & 2kki.
Alpha Craft
Go back in time, and collect resources from old minecraft!
G1axFixer
G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.
The Bronze Age
Adds two new ores to Minecraft that make the early game more complex and difficult.
Natural Compass
Natural Compass is a plugin adaptation of the popular Forge/Fabric mod Nature’s Compass by Chaosyr. It brings that mod’s biome-searching functionality to Spigot/Paper servers.
CobbleRegions
Server-side Cobblemon sidemod that adds region-based level caps with per-player progression.