Minecraft Java 1.21 Mods
Browse 1,104 free mods for Minecraft Java 1.21 — popular picks include Frosty's Sorting Depot, TrashFix, Netherrack Furnace.
Updated daily
Frosty's Sorting Depot
Mechanical item sorting that anyone can set up in five minutes. No power. No pipes. No fuss.
TrashFix
8 balanced recycling recipes to turn trash items like rotten flesh and poisonous potatoes into useful resources. Lightweight, server-side, vanilla-friendly.
Netherrack Furnace
based on an old meme
Dispenser Vilager Trading
A Minecraft paper plugin to add the ability of Dispensers to trade with Villagers.
Biome in a Bottle
Adds tools that allow you to pick up and move biomes from place to place.
Orbinomy
Orbinomy redefines Minecraft economy (1.8-1.21.11) with in-game shop/sell editors, dynamic enchanted pricing, VIP multipliers, Discord logging, and cloud sync—zero config files needed.
SimpleArchiver
This simple mod gives you the ability to zip and compress your files with a command.
Project Tiger
This is a light weight w.i.p mod with new buildings and blocks
/add
add a command that works like /give but with ghost items to prank people
RXVY SPAWNERS
RXVYSpawners is a high-performance Java plugin that features virtual loot storage, intelligent spawner stacking, and an all-in-one management GUI for optimized mob farming. If you have any questions or need support join https://discord.gg/Xx8h2Th8qv
AggStack
AggStack allows you to store multiple items with the same ID but different NBT data (durability, enchantments, etc.) in a single inventory slot, with an expandable panel to view and manage all sub-items.
Auto Stack
Automatically merges nearby dropped items into stacks
DeathCode
A death compensation system with Discord integration. Players receive unique codes when they die and can request their inventory back through Discord with video proof.
Viv's Vending Machines
Vending Machine Datapack

Xiaoklunar Shulker
Inventory shulker opening + overflow pickup vacuum that stores into carried shulkers.
enderchest to obsidian Farm
Fully automated Ender Chest → obsidian farm: places, breaks, stores, restocks, and sells obsidian for you
Babekon's Engineering
Solar panel slab generates “KE”; 6-way cables (waterlogged, thinner arms) transfer it, battery persists KE, and the KE Lamp emits with a soft fade (15→0). Fabric 1.21.10
PlayerStateSaver
This mod allows players to save their current state (xp, inventory, position) to a file and then load it at a later point. Made by _flushed.
Solariae Management CNIS Plugin
Exclusive Solarian Community Plugin for MySQL Database Documentation Management.
zLink
This plugin adds a configurable way to create your own minecraft bridge linking system. It connects via mongo database (more on the way) and gives user a code to link on your application/project.
KappaEssentials Extension Loader
A lightweight extension loader for KappaEssentials that safely loads approved .jar addons from a dedicated folder.
AuricPass - Battle Pass Seasons
Fully customizable and 100% professional battle pass plugin! seasons, levels, bonus reward levels, PAPI compatibility, and more.
Death Inventory Sorter
Clientside mod which remembers the layout of your inventory (main grid, armor, second arm) before death and after respawn returns the selected items to the same slots as they were before death.

ItemMail
A GUI-based item mail Minecraft Paper plugin
TritonAC
An optimized, packet-based solution to block modern combat and movement exploits. Powered by Aquaqa.
ObsidianVault
A simple, easy-to-use Minecraft server backup plugin that offers automated, secure remote backups

THIS
Port of the Chickens mod, as well as roost!
Coalossal Coals
Progressively better and better tiers of coals with balanced costs for the severely late-game final items.
Lazy Redstone
Turn redstone contraptions into single blocks.
Copper Golem Reforged
Plugin that adds configurable copper golem upgrades with separate diamond and netherite behaviors
UniversalMobFoundry
New generation of generators! You can buy monsters, simulate their loot, and upgrade the generator.
Ae2 CraftCore
Break the chains of physical patterns! Store your AE2 recipes digitally on storage cells and virtualize your auto-crafting.
wa3kit
You can save and load your inventory
VelocityAutoBackup
VelocityAutoBackup is a Velocity proxy plugin that automates complete server backups to Google Drive.
expanded commands
actually useful commands to change your day
SecureAutoSmartLocks
Beyond Locks. Total Data Integrity. Welcome to the era of SASL Architecture.