Minecraft Java 1.21 Mods
Browse 3,387 free mods for Minecraft Java 1.21 — popular picks include SM's MC Education port, StockVein, Parkourplugin.
Updated daily
SM's MC Education port
Adds some features from Minecraft EDUCATION to Minecraft java edition
StockVein
this plugin adds a way for players to earn and make money by selling/buying stocks to earn money this plugin uses vault 2.0 and is for version 1.21.+ The big thing for this plugin is "bitcoin" mining where players can mine BITCOIN!!! and earn money !
Parkourplugin
Modern Parkour minigame for Paper/Spigot 1.21 with scoring, leaderboards, PlaceholderAPI support, and JSON-based dynamic spawn coordinates.
3D Model Datapack Template
This is an template used to add 3D models to your game via heledron's text display model generator (by SyanicXD)
MagicalMechanics
A hybrid mod that blends industrial technology and magic, letting you progress through both machines and spells.
SellHopper
Hopper that auto sell items from CrashShop when dropped on it
Ender Chest on Death
Ender Chest on Death is a lightweight Minecraft datapack that gives players exactly one Ender Chest when they die, without enabling keepInventory, so you can have a chance to get some items back!

ItemMail
A GUI-based item mail Minecraft Paper plugin
Instant Server Switcher
Instantly switch between your last or two fixed Minecraft servers with a single key press.
Copper Plus
Add game mechanics about the copper.
Create Mechanical botany sapling
This datapack adds Recipe's for sapling to get log with a change of getting more saplings
Split!
Just split them in face!
Meteors Refabricated
Datapack inspired by the 'Falling Meteors' mod!
VoxlyTagger
VoxlyTagger displays player tiers from the VoxlyTiers leaderboard directly in-game. See a player’s tier floating above their head in real time, making it easy to recognize skill levels at a glance.
Copper Golem Reforged
Plugin that adds configurable copper golem upgrades with separate diamond and netherite behaviors
Socially
Chat, chat bubbles, handshakes
CreativeNotify
The Creative Notify plugin sends a chat message when a player enters Creative game mode or when a player uses /give.
TotemBoost
powerful and feature-rich area boost plugin for Paper 1.21+ that allows players to place customizable totem beacons that grant various buffs to players within their radius.
Echo Rifts
Adds a new way to get around in the world using specialized portals
Smithing Overhaul
Overhauls smithing table to replace the crafting table.
Escrow Autobuilder
IOUEscrow is a vanilla/survival friendly schematic and autobuilder mod that allows you to pair creative world planning with honest survival gameplay.
Height Meter
A clean, customizable HUD height meter featuring a detailed altimeter scale, compact hotbar mode, and 10 supported languages!
Shulker Packer Mod
This mod adds the ability to automate packing items into shulker boxes.
Create: Steam & Stone
Create: Steam & Stone is a steampunk-inspired Minecraft modpack focused on mechanical automation, industrial progression, and immersive worldbuilding powered by the Create mod.
HeadHunterPL
HeadHunter drops a player's head when they are killed by another player — collectable, configurable and ready to use out of the box.
MashAliases
Create custom command aliases with per-alias permissions and multi-action execution for Paper 1.21+.
Bottle Your Hearts
High-risk heart trading system where players can bottle their hearts, trade them, and face permanent death bans. Includes revival tokens and admin commands.
Live Musical Instruments
A plugin that lets you play electronic instruments live and broadcast the performance to players in real time.

THIS
Port of the Chickens mod, as well as roost!
BrainF**k In Minecraft
This is a Minecraft mod that adds four new blocks, allowing you to run simple Brainf**k programs — a Turing-complete programming language.
Ayzium
A mod adding tons of cool tech! Copper & Ayzium both get major buffs compared to vanilla copper. Ayzium is a mod developed for Scepters O' Glory
Wrenchwherever
Allows you to use a wrench without holding it in your hands if you have it in your inventory.
Arcanity
Introduces a unique enchant system, new enchantments, and a new multi-tool.
ResetConfirm
Use /reset confirm to reset your whole server with one click
AltWorld
AltWorlds is a Minecraft plugin that lets players create and manage personal worlds with a GUI.
VDB2 Better Advancements
Better Advancetements its a minecraft mod\plugin with a lot of new minecraft advancements!