Minecraft Java 1.21 Mods
Browse 128,100 free mods for Minecraft Java 1.21 — popular picks include Exclude Blocks for FTB Ultimine, Foxcrafteo - Fox Armors, Harry's Hostile Expansion.
Step by step: How to install Minecraft Java mods & modpacks
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Exclude Blocks for FTB Ultimine
Datapack to exclude blocks from being veinmine-able by the FTB Ultimine mod.
Foxcrafteo - Fox Armors
Fox armors replace normal armors.
Harry's Hostile Expansion
Adds many different hostile mobs, mechanics, structures & bosses.
Post It!
A mod that adds sticky notes to Minecraft!
[AN]Adaptive Nemesis
The dynamic difficulty balancing module specifically designed for integration packs aims to address the issue of difficulty imbalance in current mainstream integration packs, where the early game is too easy and the late game is too challenging.
V+ Crops
Replaces every farm crop with original custom block models that add depth and visual variety to your fields, without straying from Minecraft's native aesthetic.
Quick Item Sorter
Adds an extremely lightweight inventory sorting system.
Large Ore Veins: Create Compat
Adds larger zinc veins to the Larger Ore Veins: Deluxe datapack
Bare Bones More Armor Trims
Adds Bare Bones support for the More Armor Trims mod.
Fabulous Blades
Adds new swords with different types and mechanics. Compatible with Better Combat for unique attack styles!
Shawarma Food
Shawarma Mod 🥙 (Fabric)mod
Duplicate your plants and flowers!
Use the new crafting table to bone meal your flowers!

Detailed mobGriefing
MobGriefing can be toggled on and off for each entity. ゲームルールでモブごとにMobGriefingを設定できます。(現在はクリーパー、エンダーマン、ガストのみ対応しています。)
WAYF? - Where Are You From?
A serverside-only Fabric mod that adds the corresponding mod name to items in the lore
Lost Sky Islands
A datapack (packaged as a mod) that adds clusters of sky islands with ruins from some lost civilization to your Minecraft worlds.
Mekanism Nuclear Weapons & Explosives
Mekanism addon adding nuclear, hydrogen, antimatter bomb and more in in future. In active development.
the scythe
This simple Minecraft mod introduces an exciting new weapon: the scythe. Designed primarily for PvP combat, it is fully compatible with both single-player and multiplayer modes. You don't need any other mod to operate it
Triple Baka Copper Golem (Javaficated)
javaficated resourcepack of tripleBaka copper golems!
EzCountdown
Run flash sales, timed events, and launches with stunning countdowns - ActionBar, BossBar, Titles & Placeholders!
Excalibur | Quark Delight Support
This resource pack redraws the Quark Delight mod in the Excalibur style
Cobble Dragon
CobbleDragon is a Cobblemon 1.21.1 server that blends Pokémon adventure with classic Minecraft survival. Players can battle gyms, explore diverse biomes, build custom bases, and catch legendary Pokémon. With additional mods for enhanced gameplay, CobbleDra
Particly
A small mod which adds more Particles to your game!
Paths are Roads
A data pack that incentivizes use of the path block and overland travel by speeding you and your mounts up while walking on them. Comes with built-in and easily expandable mod support.
Mekanism Stack Processor
A NeoForge mod that adds batch processing to Mekanism machines. Instead of processing items one at a time, machines process multiple items per operation based on their tier.
Chunkis
Chunkis is a high-performance, sparse storage engine for Minecraft. It slashes world save sizes by only persisting player-made changes on top of chunk snapshots, using a custom binary format (CIS) designed for speed and efficiency.
FortunePillars
Recreation of Pillars of Fortune gamemode of Cubecraft.........
AD Stats
A stats & skills mod
REPO Totem [Red]
The resource pack replaces the regular minecraft totem with a 3d model of R.E.P.O
Choking Pufferfish
A pufferfish will choke on a carrot every time it gets hurt or dies. You know, from that one meme.

usb1's no grass <3
removes grass visibility (short grass, tall grass) by removing the textures
Kinetic Origins
A streamlined, shader-ready NeoForge 1.21.1 pack that feels like vanilla—only quicker, prettier, and a little bit smarter.
TechCraftBrasil Stuff - 1.21.1
This mod is for exclusive use of the TechCraftBrasil modpack. This mod adds some items for use in the GUI menu on the server and also a technium ore that is used in several modpack recipes.
Minecraft but everything is Random
This datapack make your gameplay random , random potion effects,block drops are random and more.
AUUUUGH Sculk Shrieker
Sculk Shriekers no longer shriek, they... AUUUUGH when triggered. Yeah.
Bow Charge Textures
This Texture Pack Aims to make it easier to know then you bow is fully charged by changing the color form red to green depending on how much the bow is charged.
[MCMV] Aeronautics Modpack
A modpack, that overhauls minecraft to be focussed around automation and vehicle building