Minecraft Java 1.21 Mods
Browse 133,446 free mods for Minecraft Java 1.21 — popular picks include Create Alpine - Aeronautics, Breached (Standalone), The Backrooms [ Blocks ].
Step by step: How to install Minecraft Java mods & modpacks
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Create Alpine - Aeronautics
Create modpack based on travelling across different terrain, settling colony, making airships to travel across mountain peaks.
Breached (Standalone)
Breached is a competitive Minecraft survival mod inspired by Rust, built for players who enjoy looting, PvP, raiding, and base-building. It keeps much of Minecraft’s core survival identity, but adds unique systems that force raiding/basing/PVP.
The Backrooms [ Blocks ]
It adds some from level 0 of the backrooms also i'm a little new to mod making so don't judge to hard
FGF Hero
FGF Hero is a hardcore event plugin inspired by Minecraft Helden where players are linked and share their fate. It creates an intense survival experience where you either win together or lose together.

Scroll Fix
Scroll fix for mouse wheel actions for Linux Wayland
BetterConfigSync
Save all your Minecraft settings (video, keybinds, mods, options) to a simple code with one click. Enter the code on any PC or instance to instantly restore everything. No file copying needed.

THC's Cool Totems
Adds a more vibrant texture to totems.
Mazite
Modded Experience on Vanilla Servers
Bocchi the Rock companion - Kita Ikuyo
This resource pack remakes the recipe button, turning it into a Kita Ikuyo the inventory!
AntiAlts
A lightweight Minecraft plugin that detects and blocks alternate accounts to prevent ban evasion and abuse.
FlexBorder
FlexBorder adds a fully configurable world border system designed for PvP, survival, and Battle Royale–style servers.
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
AWAWA'S Clan
AWAWA’s Clan is the official modpack of the AWAWA Clan on the DiosesMC server. It features performance enhancements, visual improvements, advanced chat communication, Redstone tweaks, and full compliance with server rules, delivering a smooth and immersi
MCSM Items [vanilla]
In the original game, you will be able to obtain items from MCSM by renaming items at the anvil.
Cheaper Crafts
Cheaper Golden Apples & Craftable Cobwebs..
ESI Translation
A pack designed to change the language of the game to ender.
SoftHardcore by GamingFervor
On death enter spectator for a configurable amount of time.
More Recipes: Stonecut to Cobble
Convert Stone to Cobblestone & Deepslate to Cobbled Deepslate with a Stonecutter.

Swift Strike Enchantment
Ever wanted to have 1.8 attack speed again in the latest version?
LeafWE ➜ Survival World Edit
Select. Set. Undo. All with your inventory — fully survival-friendly and stylish.
Melodial
Bring the soundtrack to life-when you want, where you want.
Minium Minor Edition
Simple original Ore Mod
Discord Chat Logger
Connects your Minecraft chat to Discord using webhooks
Homes | /home, /sethome, /delhome
Simple homes plugin for Spigot 1.21.4
Smoothly Optimized!
This modpack is designed to give you a smooth Minecraft experience. It includes a variety of optimization mods that will improve your game's performance, and probably on older computers too!
Streamlabs Integration
A Minecraft plugin that allows Youtube/Twitch donations to trigger events in your Minecraft world using the Streamlabs API!
High FantasyRPG
A modpack the gives the fantasy feel while keeping performance in mind.
All the Pieces
Combining NeoForge and Fabric into one amazing modpack.
EastZombies
Transform dead players into zombies with unique mechanics (humans vs zombies event)
Alex's Village Quests
[SHIFT + Right-click] a villager to open a quest menu where you can select a random quest from Easy to Extreme.
Normal Swords
This pack restores the vanilla sword while keeping it unobstrusive. If you dont like how swords look in other texture packs, use this as an overlay to override the texture pack's sword. It keeps the vanilla animation and length but making it smaller.
Freecam Spectator
Fork of "Freecam" without controvertial and "banned" features + key feature invisible Freecam head
ASTERA Golden Enchantement Glint
Add a golden enchantment glint to Minecraft, replacing the default purple effect with a bright, elegant gold shimmer. ✨
Without Structures
Without Structures is a simple utility mod that allows you to control where structures can generate in your world.
Onechunk Odyssey
Onechunk Odyssey starts you in a single playable chunk surrounded by void. Complete quests, earn Chunk Expanders, and choose where your world grows next.
PVP Crosshair
Changes the crosshair to the PVP version