Minecraft Java 1.21 Mods
Browse 3,935 free mods for Minecraft Java 1.21 — popular picks include Magic Construction, Aspects: Reclaimed, Easy Sacks Compat.
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Magic Construction
A powerful building mod that adds magical wands to place multiple blocks at once, with integrated pouches for material storage and repair runes for maintenance.
Aspects: Reclaimed
An Aspects Addon introducing 7 new Aspects inspired by concepts that go beyond the base modification
Easy Sacks Compat
Supplementaries Sacks and Easy Shulker Boxes Compat
Scout Recrafted
Updated Scout mod for Fabric 1.21.1/1.20.1 and Forge 1.20.1, with improved stability, compatibility, and bug fixes
Fishing Net
This mod adds a Fishing Net to help you with fishing.
xLogin
Professional and super secure login system.
Basic Fluid Hopper
A hopper that moves fluids instead of items.
SimpleHome
A plugin that allows players to set and teleport to their home location using simple commands.
Zero Inventory Problems - ZIP Backpacks
Zero Inventory Problems is a plugin for Spigot based Minecraft Servers that adds backpacks to store there overfully inventorys.
Items Stack
Allows changing of item's max stack sizes.
Create: Better Item Vaults
Modifies Create's Item Vault to hold 1280 individual items instead of 20 x (up to) 64 items. How they should have been from the start!
Create: Better Building
This mod adds a variety of new (mainly decorative) building blocks to the game, which are themed around Create and factories.
Create:Phantom
Add package delivery functionality to Phantom.
Inventory Saver
save your [[inventory]] with just one command.

Brewing Guide Info
Adds a recipe book button to the Brewing Stand.
RandomDirtDrops
RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.
Paladium Renew
A remake for newer version of the palamod remade from scratch
DonutSMP Spawner
DonutSMP Virtual Spawner Remake
Stack Size 1024
Choose the maximum stack size for normal items, from vanilla up to 8192, with Mod Menu support
QuickSortX
A Chest sorting plugin
Client Backpack
THIS MOD DOES NOT ADD ANY FUNCTIONAL BACKPACKS, ONLY VISUAL IN CLIENT-SIDE. A cosmetic mod that adds dynamic visual backpacks; Replaces existing backpack model from other backpack mods.
Rubiks Cube
Working Rubik's Cube in Minecraft
MineFactorial
MineFactory revived and reimagined for modern versions

Protect
A WorldGuard-like, modern world protection plugin made for API usage
vzBackpack
A scrollable backpack for your players to improve inventory management
TidyInv
Smart, fast, server-friendly inventory sorting with 7 modes, vertical sort, locked slots, profiles, chest presets, deposit/restock/dump/take buttons, in-game config GUI, and a public API. Works in your inventory and in any chest, barrel or shulker.
Pottery Sherd Duplication
Let's you duplicate pottery sherds through crafting similar to how you duplicate smithing templates!
Wishful Recipes
Dynamically generates recipes that should be vanilla
Villager Shop Edit in SURVIVAL (Villager Trades Edit)
Use this addition when you want to trade with your friends or open a shop
GraveStone x Backpacked Compat
Your backpack goes back where it belongs. A compatibility layer for GraveStone Mod and Backpacked

Experience Book
Save your experience points in a book!
Homestead
A chunk-based land claiming plugin, for Minecraft 1.21 and later
RDQ
Cross Server | Quests | Ranks | Tree | Passives/Unlocks | Stats | Achievements
Expansion of Border
The border expands as the player gains experience levels. This will make you feel lonely.
Player Containers
A (work-in-progress) mod that lets you store other players in items!
Minecraft Warriors 2
An unofficial fan plugin based on the YouTube PvP project Minecraft Helden 2.