Minecraft Java 1.21 Mods
Browse 3,941 free mods for Minecraft Java 1.21 — popular picks include Advanced Diamonds, Ornamentum, SimpleHomePlus.
Updated daily
Advanced Diamonds
A vanilla friendly, open-source mod that adds in more tiers of Diamonds
Ornamentum
this is a friendly building mod that adds decorative blocks to expand building palette while staying true to the game's original style.
SimpleHomePlus
SimpleHomes is a fast and modern Minecraft homes plugin with GUI support, trust sharing, /back, public/private homes, and MySQL/SQLite/local storage — perfect for SMP servers.
Item Merge Begone
prevent dropped items from merging
CyberWorldReset
Easily reset a world with a scheduler or a specific time/date and more!
VaultCrates
A feature-rich, fully animated crate plugin for Paper 1.21.x with IA, Vault, PlaceholderAPI and Citizens support
晋江签到助手～
A Fabric server plugin ~ used for automatic daily sign-ins on JJWXC ~ (=^-ω-^=)
Portable_Workstations
Right-click workstation items in your inventory to open their GUIs — no block placement required.
StorageWorkbench
Craft from nearby chests through a vanilla-compatible storage crafting menu for Paper servers.
Wrenching My Tom Till I Create
Ever wanted to wrench Tom's Simple Storage? Now you can!
Sellmenu
Plugin for creating stores for your server Easy to use plugin supports itemadder itemedit itemtag plugins Must have vault
Crafted Table
Now with more drawers and green!
![EssentialsY [🐛Alpha]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/158243.webp)
EssentialsY [🐛Alpha]
Death chests (Graves), combat log, RTP, Bounty, Item protect. An all-in-one plugin that adds multiple essential features inside one plugin
Blastproof Copper
One-mixin mod that makes copper chests blastproof.
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.
Battle Buddy
Battle Buddy creates a loyal companion that follows, fights hostiles, uses gear smartly, and stores your items.
CityClaim
The new claim minecraft plugin free ! Create your town/city, claim, custom gui, bank and more !
S3 Backup Mod
Server-only Fabric mod for Minecraft 1.21.8 that automatically zips your world and uploads it to Amazon S3 on a schedule.
InvEx
Simple inventory viewer with Trinkets/Accessories integration and offline player support.
TickTally
Track your true Minecraft playtime across worlds and servers with clean, automatic tracking and zero fluff. TickTally keeps it simple, accurate, and entirely under your control
QuickStash
Easily store your items! You just have to hold an item and left-click a container
BackpackLive - NO UPDATE
Un plugin ligero que agrega mochilas personalizables con crafteos únicos y persistencia de inventari
ShulkerBox Limit
ShulkerBoxLimit is a plugin that allows Minecraft server administrators to set a limit on the number of shulker boxes that players can carry in their inventory.
UniversalFinder
Universal Finder opens a search bar when a Chests, barrels, ender chests, shulkers, hoppers, etc is opened. it allows you to search any item present in that storage block which helps you to your precious time.
Corex
Modern, Paper-exclusive compiled scripting engine
Kilacraft-AI
The first plugin that gives every server an AI Agent that understands you better the more you use it
Crystal Caves 2
Crystal Caves 2.0 adds a new line of crystal tools, armor, and blocks to Minecraft. This is an early version of the mod, and more blocks will be added in the future.
✨ xInventories
Per-world inventory separation with groups, patterns, and multi-storage support
MultiblockEngine
An advanced multi-block structure system
economymod
A NeoForge Minecraft mod with a simple emerald-based economy system, featuring in-game commands for deposits, withdrawals, balances, and transfers, plus persistent storage.
Enchanced backpacks
Enhanced Backpacks is a new take on backpacks in Minecraft. Instead of providing free extra inventory early on, this mod introduces weight-based and immersive mechanics.
redstone-structure-block
A Fabric mod that allows saving structures to disk (permanent storage) instead of memory when triggering structure blocks with redstone.
SlimeApple Craftable godapple
SlimeApple brings back god apple craft (issue-free)
Smeltable Ore Blocks
Annoyed that you can't smelt raw ore blocks? Now you can!
Teleporting Ender Chests
Makes ender chests teleport when you aren't using silk touch