Minecraft Java 1.21 Mods
Browse 127,596 free mods for Minecraft Java 1.21 — popular picks include Hoplite Netherite Sword [HNS], Visual HUD, Immersive Factory - Create and Immersive Petroleum.
Step by step: How to install Minecraft Java mods & modpacks
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Hoplite Netherite Sword [HNS]
Good resource pack, modifying the base model of the Netherite sword
Visual HUD
A clean, fully customizable client-side HUD overlay for Minecraft 1.21.11 Fabric — shows coordinates, FPS, biome, time, direction, light level, speed, day count, dimension, compass, and FPS sparkline with an in-game config screen.
Immersive Factory - Create and Immersive Petroleum
An immersive factory experience with Immersive petroleum and Create in the focus but with adding mods like Refined Storage. Currently around 120 Mods.
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
Just Create It S1's Better Textures
A very nice Just Create SMP2 texture Pack
World of Stone
A geological overhaul mod.
Masters Of Aeronautics
(Remake Of MrBeardStones Just Create SMP 2) Create mod and mekanism. With mass Storage and tech
Blue Netherite x Bare Bones
this project combines two resource packs, Blue Netherite and Bare Bones
First Steps
This plugin adds newbie protection to new players!
RU-QB | Моды на русском!
Переводы модификаций на русский язык.
miencrap 2 minerat
makes mineracft better by adding random bullshit (140+ blocks, 80+ mobs)
The True Vanilla
This modpack elevates your 1.21.11 game into the ultimate True Vanilla experience, blending the refined Vanilla Tweaks aesthetic with fluid animations and top-tier Fabric performance.
TerraBiomes Music
A Music pack for you biomes, day, night, caves and more.
VoidGenPlus
VoidGenPlus generates an empty world with only one bedrock block at coordinates (0, 0).
CensorCraft
Punishes players for speaking forbidden words
neco arc totem of undying
silly little creature
LockItems
LockItems plugin blocks crafting of specific items, like maps, templates and more. Perfect for SMPs.
Small devices
Make your review during PvP bigger with the help of a resource pack that reduces swords and other tools!

ICU
ICU is a mod that allows you to see invisible barrier blocks without holding them.
CopperOxidize
Make copper blocks rust to the next stage every 30 minutes.
Ruincraft & Create Aeronautics
A modpack made for the Ruincraft minecraft server.
Cave Dweller NeoForged
Adds a horrifying monster, and some cave sounds to NeoForge 1.21.1
Competitive Textures
A PVP All in one pack, with Full Brightness, No Particles, Small Icons, 3D Mace/Crystals, and 100+ Handcrafted Textures!

Clean Your Trims
Adds the ability to remove armor trims.
Classic Explosions
Old exposion sounds & particles
Insane's Explosion Overhaul
Enahanced explosions with bigger knockback, apply potion effects from exploder and experimental flying blocks
showefps
mod that shows fps
Half a Heart!
This Plugin adds a new command used mainly for scripted servers that make u stop taking damage at half a heart, YES the animation and damage visual effects will still play, but no damage?!
Noeffectparticles
Removes the annoying flickering of the "night vision" effect at the end of the spell's duration and particles of effects on the client side.
ArenaLite
Best FFA plugin out here for free and open source
Mace of Zillyhoo (Homestuck)
Mace of Zillyhoo is a Minecraft resource pack that replaces the mace added in MC 1.21 with the WARHAMMER OF ZILLYHOO from Homestuck
Cobble Ain't Worth
Cobblestone ain't worth the eye pain, so this pack softened the textures of cobblestone and mossy cobblestone.

Leave Me Alone!
Server-side mod that allows players to exclude themselves from @a and @e
EpicArmor
Custom Armor allows your server to add epic and custom armour without using mods!
More Recipes: New Mini-Collection
A mini-collection of recipes that add ways to craft various items.
Open Persistence
Open source reimplementation of Persistent Players, with fixes and Mod Compatibility