Minecraft Java 1.21 Mods
Browse 127,596 free mods for Minecraft Java 1.21 — popular picks include Realistic Horizons, RTP Menu, Golden Hearth.
Step by step: How to install Minecraft Java mods & modpacks
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Realistic Horizons
Realistic Horizons adds cinematic, biome-aware Overworld terrain with towering mountains, carved valleys, improved coasts, and rare natural waterfalls.
RTP Menu
RTP supporting Multiverse, Towny, GriefPrevention and customization with ItemsAdder, Nexo, Oraxen, soon more!
Golden Hearth
Welcome to a cozy and relaxing Minecraft experience designed for long-term survival. This project focuses on a calm, enjoyable atmosphere while still offering meaningful progression and goals.
Metal pipe mace
Changes the mace to be a metal pipe, and the mace hit sound to the metal pipe falling sound effect.
Garlic's Snails
This Minecraft mod adds small yet pesky Snails.
Create: Tipped Arrows
This Create Mod Addon makes tipped arrows craftable by using a spout with a potion-fluid on an arrow.
C7oss's Useless Items
A simple mod aimed at making some items less useless.
Salvies pvp pack
All the esentials for minecraft pvp made by VoicingCribus73.
DJ Torterra
A Regional Fake-Mon designed for use in Cobblemon
Scroll Control
Advanced hotbar and tooltip scrolling controls with easy in-game configuration.

Playerless Continued
Mobs drop XP & loot regardless of death cause. Continuation of jadc's playerless for 1.21.x.
VRRW animation - OBJ ANIM
Exchange Items, blocks, Steves, entitys to Animated OBJ
Red Netherite Armor
Changes classic netherite armor and weapons to red!

Non-binary Pride Flag Tooltip (4-Color Turned)
Changes the Minecraft Tooltip to a Non-binary Pride Flag (4-Color Turned) – Part of the Pride Tooltips collection.
Indus Automation
A progression-driven automation modpack inspired by GregTech, Factorio, and Captain of Industry
Orbital Laser
This pack adds an orbital laser cannon to the game - survival friendly!
Sam's Exploration Pack 2.0
Adventure Awaits—with a Twist of Technology
minehak&krutosh2's Pompous PepeLand Playground
A delightfully over-the-top modpack for PepeLand 10 server
AUTOMAGIC
Automagic adds magic spells, machines, and gadgets to the game. Designed to enhance faction/nation PVP servers

Legacy - Bow Tiers
Ever wanted more than one tier of bow?
Calvin's Client
Client-side quality of life pack that enhances environmental immersion, GUI/HUD tactility, while retaining Vanilla's charm and server compatibility.
Artentia
The modpack was made to experience a tech/medieval adventure in RP with friends. It is still in beta and may change many times.
ReForm
Combine two slabs to get the original block back – stop wasting materials!
Blue Slime Everything!
Texture rework for everything slime!
Rehoned Tools
This is a Minecraft resourcepack that improves the textures of vanilla tools, adding more distinctive details.
Storage Displays
Shows contents of first slot in Inventories
More Trapdoors
Increases the amount of trapdoors you get per craft
RGB Redstone Dust
Redstone dust based RGB display.
ArgFoe Live!!
🌸 ArgFoe Live!!: Soft n’ Cozy Client Pack 🌸 Hewwo fwiends~!! (⁄˘⁄ ⁄ω⁄ ⁄˘⁄)♡ This modpack is all about making your Minecraft experience extra comfy, pretty, and pawfect!! 🎀 It’s client-side only so you can join your favorite servers without any worries~
Fireproof Mace
Don't lose your Mace to Fire & Lava!
VMP (VoltModPack)
The most balanced pack of modifications for version

wordchars
Makes Minecraft's word detection work a bit more like bash's

Railiable
Makes rails bigger and somewhat decent in comparison to vanilla
Remap Menu Key
Fixing a years-old bug in MC because mojang couldnt care less about us poor caps:swapescape users :((
MatterBukkit
A Bukkit plugin which sends chat messages from/to MatterBridge.

Overheat's Better Anchors
Retextures Respawn Anchors to look better