Minecraft Java 1.21 Mods
Browse 227 free mods for Minecraft Java 1.21 — popular picks include Sophisticated Tags, RPG Crafting, Media HUD.
Updated daily
Sophisticated Tags
A helper mod that adds per-tier item/block tags for Sophisticated Storage chests. Useful for datapacks, scripting (KubeJS), and other mods.
RPG Crafting
Introduces an alternative/replacement/addition to the traditional crafting system. It is heavily inspired by games like Valheim and Terraria.
Media HUD
Media HUD is a client-side Fabric mod that adds a draggable media player HUD to Minecraft Java Edition. It supports local audio and video playback from disk, library browsing, saved HUD position, full and compact layouts and multiple visualization modes.
VaultEconomy
VaultEconomy (Alpha) An alpha economy plugin for Java 21 supporting Spigot, Bukkit, Paper, and Folia. Adds support for custom currencies with Vault integration.
More Villages Datapack
Adds more villages to the game.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
5q12's YAML API
A YAML api to read and write to YAML files for Fabric.
mcs_permissions
Server Essentials, but for vanilla minecraft made in datapack format.
FoliaPerms
A plugin that adds a permission handler to multi-threaded Folia servers, since the lack of permission plugins in Folia!
Starlight-Plugin
A plugin containing everything you need :D
MC-Data-Bridge
Seamlessly sync player inventory, health, XP, and effects across your BungeeCord/Velocity network.
Syncore
Tries to give all resources missing items and blocks, unless not possible. Some examples are copper nuggets or raw diamonds. This mod is more meant to be used by other mods as a dependency, but you can use it standalone if you want.
DrArora Texture Pack
This texture pack is designed for players who enjoy PvP, SMP, and survival while keeping the classic vanilla feel of Minecraft.
Big Items API
A really simple library that allows developers to make items take up more inventory slots.
EnderchestExpand
This plugin makes the enderchest as big as a double chest
Merged Items
Adds a merging mechanic for items. Items can 'store' other items and will inherit their attribute modifiers.
BetterReset
Minecraft plugin that lets you safely reset a world’s Overworld, Nether, and End while the server is running, with player protection, async deletion, and full regeneration in one command or GUI.
Don't Crash Obscura
Crash-guard mod for NeoForge 1.21.1 that intercepts Tom’s Storage capability lookups and inventory tracking to prevent server crashes from invalid caches, failing safely instead of halting your world.
ItemDisplayPlugin
This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,
Greg's Team SMP
A lightweight team & claim plugin for Minecraft SMPs. Manage your territory, protect your land and dominate the map with your team.
SIR
A simple chat plugin that have a lot of functions to customize your server.
Give me More Slab (GMS)
GMS is a simple and practical Minecraft mod that expands building possibilities by adding slabs for many more blocks.
CoryLib
Unified data storage and synchronization library for Minecraft mods. ⚙️
Enchantment Library Standalone
This mod is a standalone version of the Enchantment Library feature from the Apothic Enchanting mod, with additional features.
PolyTech
a server-side tech and automation mod for Minecraft 1.21.11, built on the Fabric API using Polymer. It introduces a comprehensive energy network and a suite of machines designed to process resources and automate crafting.
Lifesteal Core X
Lifesteal Core X delivers a complete competitive lifesteal experience with heart stealing, revive systems, combat control, anti-farm protection, and scalable MySQL storage for high-performance SMP servers.
Iron AI
A customizable AI chat assistant for Minecraft that can learn words, respond to messages, and be taught new responses with simple commands like /ironai teach
Json More
A powerful extension mod for JsonThings that lets you create custom chests, containers, signs, note blocks, fluid tanks, Tinkers' Construct tools, and more — all through JSON configuration.
Tom's Loot
This modpack adds a variety of loot tables and can be used by other mod developers for structure mods and other mods with loot tables as a basis.
Tome of Echoes
There's no better method of storing and placing blocks!
Fcore
Essential framework for Flubel’s ecosystem
Idle Generators
Place a generator and let it work, even offline. Craftable block-generators that produce resources passively over real time, with a live HUD and full Cloth Config support.
JustLib
Module library for my datapacks with features I use often
Takion
Takion is a powerful Spigot library for advanced chat, text formatting, and messaging utilities in Minecraft plugins.
TFC Structure Compat
TerraFirmaCraft compatibility for structure mods.
Prism Perms
Cross‑platform permissions plugin for Bukkit, BungeeCord, and Velocity. Lightweight YAML storage, simple commands, and rich stats tools (groups/users, ungrouped/missing/list, names cache) with pagination and safe output chunking.