Minecraft Java 1.21 Mods
Browse 22,200 free mods for Minecraft Java 1.21 — popular picks include Carpet Bot Idle Walking (Carpet Mod), Advanced Redstone Expansion, Stasis.
Step by step: How to install Minecraft Java mods & modpacks
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Carpet Bot Idle Walking (Carpet Mod)
Allows Any "Carpet Mod Bot" To Walk Around Randomly
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.
Stasis
Stasis reduces unnecessary BlockEntity ticks to improve server performance.
Total Craft Count
This mod shows the total items you'd shift-click to craft, preventing accidental over-crafting.
Atoms in Java
This project brings chemical elements from Minecraft bedrock (still beta)

Sculk Eye
Adds a new Sculk Eye Block - scans entities of a given type in a given radius and emits redstone signal based on the count

More Achievements Mod
A mod that adds new achievements to the existing achievements tabs.
Wii Sports Music Disc Pack
Nintendo Music Disc Series: VOLUME III
Better Snowballs
Adds custom animated snowballs with freeze effect
ImmersiveStealth
A minimalistic server-side plugin that removes nametags, join/quit messages, death broadcasts, advancement announcements and action bar hints, creating a silent and fully immersive multiplayer experience.
Thermal Enchantment
This mod/datapack adds an enchantment to prevent you from taking damage from magma blocks.
Jundy's Emberling
Tiny vanilla friendly fire spirits that move into furnaces at night and smelt for you.
Frog Drops│青蛙掉落物
Frog will drop Slimeball when killed.│青蛙被擊殺時會掉落史萊姆球。
CityClaim
The new claim minecraft plugin free ! Create your town/city, claim, custom gui, bank and more !
mPiglinXP
A Minecraft plugin that makes zombified piglins drop 1-10 experience points on death.
BannedWordsMute
BannedWordsMute is a plugin for Minecraft (Spigot/Paper) that automatically mutes players for banned words in chat. Works only with LiteBans!
Projection Boundary
Why use a boring invisible wall when you can turn the world border into a glitching, collapsing simulation?
ModShield
Verify that client mods are allowed on the server
Andriy`s Aditions
A mod for survive in a desert and adds a copple of things!
AutoFeedShulker
Automatically feed players using a special shulker.
BadDuperNoTNT
Prevents containers from being broken while in use, preventing the TNT Chest dupe and other related container content dupes.
ScoreBoost
Scoreboard score batch synchronization optimization mod — Fabric / NeoForge / Forge
No Lunge
Removes the Lunge enchantment
Craftoholic
Adds variety of fermented beverages to the game with custom processess and blocks.
I want a horse
Get a tamed horse with saddle and lead on your first login. Supports Horseman mod for the copper horn. Fully configurable
Vanilla Abilities
Adds injections that give you superpowers
Hot Redstone Wires
Wires get hot! Makes redstone dust and blocks painful to step on.
MathTreeChop
This is a Minecraft plugin for chopping down trees, featuring entity-based animations designed to closely simulate the animation style of the “Panda’s Falling Tree” mod.
Combat Extended
Server-side combat rebalance and anti-abuse layer for Minecraft combat.

BlastProt Indiciator
A mod similar to crosshairaddons by Walksy which adds a display for when you have Blast Protection leggings on.
HarvestFlow
Smart auto-replant farming with custom crop mappings and drop-safe logic.
NitroRewards
Daily Rewards - Weekly Rewards - Ingame Editor - ItemsAdder & Oraxen - Basehead - 1.21.x Ready
NoCollision
NoCollision allows you to disable or fine-tune collision between players, mobs, and players vs mobs.
PortalToggler
Manage whether players can create or enter Nether and End portals.
disable phantoms
This plugin disables phantoms.

Ruby Heart Progression
Start with three hearts and experience a new heart progression inspired by Terraria! Adds items that add onto your max hearts and also absorb damage