Minecraft Java 1.21 Mods
Browse 126,555 free mods for Minecraft Java 1.21 — popular picks include BasicNuclearCraft, Kirby's Hammer - Mace, vaultloot.
Step by step: How to install Minecraft Java mods & modpacks
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BasicNuclearCraft
Semi-realistic radiation mod which adds radiation, protective clothing, nuclear reactor, sickness mechanics and more
Kirby's Hammer - Mace
Change the Mace Texture to Kirby's Hammer
vaultloot
Added in-game command functionality to adjust the loot probability (item weight) and rarity distribution ratios for both the vault and the ominous vault.
CobbleHunt Server Bridge
Optional server-side companion for CobbleHunt that synchronizes active Cobblemon spawn data for more accurate calculations.
Player Location Share
See your friends live, anywhere on the server. Client-side, encrypted, no server mod needed.
Autumn Harvest
A cozy, highly optimized NeoForge modpack that captures the ultimate autumn experience. Explore stunning golden landscapes with fall leaves built for the perfect autumn adventure.
✅CustomLeaderboards [1.21-26.2]
Flexible leaderboards with timed resets, rewards, placeholders and SQLite/MySQL support.
Spruce & Lower Shield
Shield no longer is filling your entire screen & Spruce log texture
Trickster Golemancy
Adds golems to the Trickster mod!
Creative Tab Layouts
A lightweight API for creating page-based Creative Tabs with sections, headers, banner pages, and animated visuals.
xDupe
Anarchy Dupe This just (experimental)

ChemiCraft
ChemiCraft is s Chemistry mod that adds multiple chemicals and minerals for you mess around with!
creative-hit-mod
In vanilla Minecraft, attacking a player in Creative mode does nothing — Creative players are invulnerable by default. This mod changes that: when you hit a Creative-mode player, the mod simulates the hitting
Knightfall Wanderers Chronicles
A modpack focused on PvP and PvE in a fantasy medieval RPG world with quests, trading and more!
HAC-Remaster
Minimal Minecraft mod to make blocks movable. Recreation of the old mod HariboteAirCraft.
Chef's Bowls & Plates
Slightly retextures all bowls and fixes some color palettes in vanilla and mods
Cursed Textures By Codesmith
I tried to make these textures as terrible as possible. And also sometimes high resolution so they lag your game.
Mod Checker - Plugin
The Mod Checker - Plugin is the plugin part of mod checker that receives the mods signal that checks your mods and flags.
Portal Lock: Dimension Control
Lock Nether and End portals behind items. Players must have specific items to enter dimensions. Fully configurable and server-friendly.
Miku Of Undying
Makes the totem of undying look like Hatsune Miku

BlastProt Indiciator
A mod similar to crosshairaddons by Walksy which adds a display for when you have Blast Protection leggings on.
FeatherUtils
A Spigot/Paper plugin that integrates with the Feather Client - Discord Rich Presence with live player count compatibility, server list background, and join messages.
Beon Golden Leaves
Adds a chance to drop golden apples and enchanted golden apples when breaking leaves.
Advanced Redstone Expansion
Advanced Redstone Expansion adds sleek, survival-balanced redstone blocks, wireless quantum channels, configurable timers, smart filtering hoppers, and optional omni-directional redstone dust output.
PluginHiderV2
This Plugin removes the ability for Hacked Clients to do .server plugins and see all your server plugins

Matt's Modular Armory
Mod that aims to add modular tools, weapons, armor and modular machinery with custom upgrades

Toast's Hunger Bars
A Better Hunger Bar Adding Real Minecraft Food Textures Such As Bread
Harsh Desert│嚴酷的沙漠
Most mobs move at a slower pace on sand, red sand, and gravel, highlighting the camel's advantage in the desert.│許多生物在沙子、紅沙、沙礫上行走時速度會減慢,這凸顯了駱駝在沙漠中的優勢。
OptiHammer
Smooth Vanilla Refreshed For The Newest Version Of Minecraft
Tranquil Tale
Adventure not hard modpack for Fabric 1.21.1 | Still in Alpha
Gitizen
Sync Denizen scripts directly with your GitHub repository.
TMF (10 Mods a Fortnight)
10 Mods a Fortnight (TMF) is a modpack I have made with friends where they vote to either add or remove mods every fortnight.
Item Value Mod
This mod adds values to items, which are configurable
Chicken Tree Sound Replacer
i wasted an hour of my life I will not be updating it for new versions. You can modify this however you want.

Soul lock
A mod that lets you lock your soul to be a "god"
Midnight Blue
A resource pack that changes GUI and UI only.