Minecraft Java 1.21 Mods
Browse 1,403 free mods for Minecraft Java 1.21 — popular picks include Portable Structure Containers, RealWeight, RealInvest.
Updated daily
Portable Structure Containers
Capture, carry, place, and retrieve compact structures.
RealWeight
Weight to your minecraft with real debaffs
RealInvest
Banking & stocks for Paper 1.21 (Vault required). Create IBAN accounts, transfer funds, and trade dynamic stocks. Beta – not production-ready!
No Dragon Egg In Containers
A lightweight SMP mod that keeps the dragon egg out of every container, so it stays a contestable trophy instead of being hidden away, popping it back out of any chest, shulker, ender chest, shelf, or hopper, with a simple command to toggle it on or off.
Item Despawn Notifier
A mod that notifies the player whenever an item entity despawns in the world.
Selective Slots
A lightweight, vanilla-friendly mod for disabling individual slots in containers like chests, hoppers, dispensers, and shulker boxes.
Online Bank
Datapack that adds "online" bank to simplify the use of server's currency
Remains
A vanilla-friendly mod that can safely store the player's inventory and experience points in a skull when they die.
Duckzi's Opossums
This project adds Opossums to your minecraft world!
ExtractTitles
Configurable Paper 1.21.x titles plugin with GUI menu, Vault/PlayerPoints purchases, permanent and temporary ownership, PlaceholderAPI support, active-title effects, and SQLite/MySQL storage.
Crafting Bumble
allows us to produce knives in Minecraft
CombatTier TierTagger
TierTagger mod for Combat Tier List
Lapis Lock
Keep your Lapis Lazuli in the Enchanting Table when it's closed
RupeeEconomyCompanies
RupeeEconomyCompanies is a powerful economy and business management plugin for Minecraft servers running Paper or Spigot (1.21+). It introduces a complete ₹ Rupee-based financial system where players can create companies, manage employees, run businesses.
Packwork
An adventurer's pack that sorts itself: tabbed compartments, a rules engine, pins, and brass-fitted trinkets — craft on the go, drink from a waterskin, bank your XP. Leather and twine, never tech.
iammojogo's Uncrafting Mod
This mod is a mod that allows users to uncraft crafted items to gain back resources from items they don't need and don't want to throw away or burn.
Vanilla Backpack
Vanilla+ Backpack adds a lightweight, upgradeable storage system to Minecraft 1.21.8. Start with a 18-slot leather backpack, and upgrade it to Golden (27 slots) and Diamond (52 slots) backpacks! Features custom advancements and crafting recipes!
Villager rollback
A datapack that is able roll back villagers that recently died. All of the villagerdata is saved.
StoryKeeper
A plugin that adds a task journal
Shulkernity
You can now put shulker boxes into shulker boxes.
Random by mixed loot tables
With this datapack, you'll also receive loot from blocks/chests/entities, etc., but you'll also receive additional loot along with the original loot.
CRP: Tap Water
The drinking water series expansion for the "corpseorigin" mod
AethelGuard
Aethelguard is a secure and highly configurable authentication plugin for Paper servers, featuring captcha, 2FA, account recovery, VPN/proxy checks, adaptive security, clean console logs, and multi-language support.
CryBackpacks
A lightweight Paper plugin that adds fully functional, customizable 3D backpacks with a native resource pack for Minecraft 1.21.4+.
Craftable honey bottles
Adds a crafting table recipe for honey bottles (3 honeycomb + 1 glass bottle = 1 honey bottle). Works alongside the vanilla method — nothing's removed. Datapack only, no mods needed.
HCG Graves
Graves plugin that spawns a playerhead where the player dies to store their items and XP. Addon for HCG plugin.
ServerBenchmarkPro
Advanced Minecraft server benchmark plugin with Antutu-style scoring, CPU throttling test, and live ActionBar performance analysis.
PacketPortal
PacketPortal is a Spigot/Paper plugin that allows you to manage and deliver item packages to in-game players directly via Discord commands (also has GUI).
GraveVault
Create protected graves with double chests, holograms, and timers when players die.
Craftable Bundles
This datapack adds recipe for the bundle in 1.17-1.21.1 (all variants!)
Queue Plugin
An Queue Plugin for Velocity, easy to set up!
NotOnlyGraves
Never lose your death loot again! 🪦 Spawns beautiful memorial graves with tall pillars, locked chests, and grave key compasses when you die. Works in Overworld, Nether & End.
RatsCurrencies
A Simple Custom Currency Plugin Which Adds A Shop And A Currency Distribution System For Your Server. This Also Helps To Save The Memory And CPU Usage Which Are Overused In Another Currency Plugin. This Has Very User Friendly Interface [1.18+]
Limited Slots
Datapack that gradually removes your slots
XFPoolManager
XFPoolManager (XFPM) is a custom loot pool manager created by xfinity
Lucid Gallery
A sleek in-game screenshot gallery. Browse, preview, and one-click upload your screenshots straight from the pause menu - no more alt-tabbing to your file explorer.