Minecraft Java 1.21 Mods
Browse 22,362 free mods for Minecraft Java 1.21 — popular picks include PixelReward, Copper Golem Plus, Vertical Rails! (LadderCart).
Step by step: How to install Minecraft Java mods & modpacks
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PixelReward
A reward/lottery/prize plugin that displays in holographic
Copper Golem Plus
Copper Golem compatibility for all storage mods!
Vertical Rails! (LadderCart)
Lets Minecarts climb Ladders, since 1.17! All in-game Minecart types are supported.
FlexBorder
FlexBorder adds a fully configurable world border system designed for PvP, survival, and Battle Royale–style servers.
DualHandGlow Plugin
A Minecraft plugin providing portable dynamic lighting and a real offhand item display using invisible Light Blocks and Armor Stands.
Remove "Tears" Music Disc
This simple data pack remove the drop of the "Tears" music disc from Ghasts when killed by their own reflected fireball.
Fisher's Price
Revamps fishing to make it more valuable and fun
Velocity-CommandLimiter
A Powerful Plugin that manipulates all commands under proxy or proxies to control display and execution
Orbs 'n' Stuff
Adds Diablo-style 'health drops' that heal the player on pickup, as well as other orbs that provide bonuses like XP and status effects.
BalancedVanilla
Balanced Vanilla is a Minecraft mod that aims at balancing some vanilla concepts, while adding a few quality of life changes and machanics to the game, without being too invasive or non-vanilla friendly.
MAIDAPACK
The MAIDAPACK is a modpack made for all those people who are looking for better performance, aesthetics in their game, mechanics that will make your life easier and more.
CTF Buddy
Your assistant for Capture The Flag style competition events.

UsefulTricks
UsefulTricks contains a pickup command that disables and enables the pickup of a player!
DMRP
Plugin that add new role play commands and mechanics to you server.
PrettyMarker
This mod adds the ability to create markers in the world with customizable icons, name colors, and display settings.
Fixed Anvils
Ignores the "prior use" stat when determining the xp cost of enchanting instead using the sum of the enchantment costs of the output. Plus other small tweaks
Daily AutoRestart
Automatically restart your server daily at a scheduled time with customizable warnings
Flame, Fuel, Farm, and Forge
A Minecraft mod that adds realism, challenge, and historical flavor.
ULTIMATE AUTH
UltimateAuth is a powerful, modern authentication system for offline-mode Minecraft servers. Packed with security features, full spawn control, IP-based registration limits, movement lockdown, blindness effects, and a polished user experience.
AutoRestartPlus
A lightweight and intelligent auto-restart plugin that keeps your Minecraft server stable and lag-free. It automatically restarts the server every set interval but smartly checks if any players are online — delaying the restart until everyone leaves.
PasiAntyThrow
This plugin block a throw given items in given worlds
SoraxPhysic
Physics Engine in a Minecraft Plugin - 1.21 paper

Shiftable Spawners
An alternative to the classic silk spawners idea where breaking a spawner with a golden silk touch tool will shift it by a single block!

RecPulse
This mod adds a realistic bodycam effect, camera shake, a bodycam lens, a flashlight, as well as a realistic lidar system. The mod was created as an add-on to the mod (its name will be here after its release), but it can also be used in regular gameplay :D
FoBlackmarket
Timed rarity-based black market shop with limited stock, Vault/item costs, item/command rewards, and in-game admin editing.
Pre-Placement Block Rotation
A client-side mod that lets you manually rotate and flip blocks before placing them, bypassing Minecraft's strict placement rules.
GK1H Enchants
Mod with enchantment-related changes made by GK1H.
Sleep to Heal
Players heal over time and remove debuffs while sleeping. Configurable healing rates and effects.
OnlyMacePlugin
Only Mace Plugin That Is Being Used In Rebirth SMP
Item Names Support Text Components│物品名稱支援文字組件
You can use item components when renaming items with an anvil to add more variety to the names.│你可以在使用鐵砧為物品重命名時使用物品元件來使名稱有更多花樣。
Rare Item Hunter | Rare loots, powerful bosses and epic upgrades
Bosses | New Enchantments | New Crafts | New Mechanics | Fully Configurable
Custom Mining
A comprehensive Minecraft plugin that implements a custom mining system with configurable block toughness, mining speeds, and custom drops. Built for Paper/Spigot 1.21+.
Fox's Lichcraft
Harvest souls and prevent deaths
Create:Northstar-Chemistry
An addon that expands Northstar with new chemicals and industrial processing.
Technical Engineering 4
A Minecraft tech-mod featuring logistics and convenient device.
DonutSMP Auction Sniper
Automatically buys cheap Items on the Auction for Profit on DonutSMP