Minecraft Java 1.21 Mods
Browse 34 free mods for Minecraft Java 1.21 — popular picks include Datapack Portals, Piglin Conservatory v3.0, Create: Dimension, Steamworks Realm.
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Datapack Portals
Create custom portals using CustomPortalApi with datapacks
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
Mining Dimension
Mining Dimension gives you a brand-new realm overflowing with resources. Every vanilla ore spawns at significantly higher rates, and - thanks to full Create integration - you’ll also uncover Zinc.
Keystone Expansion Pufferfish's Skills
MMO-style skill tree expansion for Puffish Skills, adding new progression categories like Combat, Mining, Exploration, Farming, Crafting, Building, Magic and Taming.
MC-Reality Mod
this is a mod for Minecraft that seeks to transform the game experience into something closer to real life. It includes elements such as needs management (hunger, health, energy), an economy system, work, and the ability to interact with other player

goPaintAdvanced
The ultimate painting tool for Minecraft
Deltapack
A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.
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.
Xhomes
Xhomes is a Minecraft plugin that lets players set and manage homes with an intuitive GUI. It includes teleportation countdowns and movement cancellation. Players can now teleport directly to a home using `/home <homename>` or browse their homes in a s
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc
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.
G1axFixer
G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.
IONite Powered
This mod is primary used to offer items and other things usable in data packs and the alike
Music Collection - Just Shapes & Beats
Adds a new musical experience, New Fragment + New Record Mold + New Structure "Music Shack" + 15 New Records! + New Crafting + New Achievements + Secrets...
ReplaceBlock
This datapack provides a powerful API that can replace blocks in the world with high performance in a completely vanilla way after world generation.
One Block Random Challenges
This Plugin Gives You Many Exciting Random Challenges Specially Made For ONE BLOCK However This Also Works On Normal World Just Install it And Enjoy I've also made a Separate Survival Challenges Plugin Check out my profile to find That Thanx for download
MHDF-Tools
MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨
Fennec: Jukefox
Music assets for the Fennec modpack
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
Aran's Discord Presence
A lightweight, customizable Discord Rich Presence mod for Fabric. Features a built-in settings menu to toggle Server IP, biomes, dimensions, and player heads on your Discord status.
Projection Boundary
Why use a boring invisible wall when you can turn the world border into a glitching, collapsing simulation?
Sellmenu
Plugin for creating stores for your server Easy to use plugin supports itemadder itemedit itemtag plugins Must have vault
CyberWorldReset
Easily reset a world with a scheduler or a specific time/date and more!
TheFourLeafCollective
A modpack made to specialize in four main archetypes, tech, magic, exploration, and building!
MapProtect
MapProtect is built to work alongside automated map rotation systems, allowing FFA servers to maintain clean, reusable arenas without requiring manual resets.
Enemy Tracker
Time to Detect the Threat and Enemies!
Relocation
A simple building relocation plugin
RFTools Base Mod (1.21.1, 1.20.1) – Library for McJty's Mods
RFTools Base Mod is the base mod for all tech mods by McJty. This includes RFTools Dimensions, RFTools Control, RFTools Power, Deep Resonance, XNet, and so on. Features: Dimensional Shard oregen, small amount in the overworld, more in other dimensions. The machine infuser. Base crafting materials for the other tech mods. The smart wrench. Security […]
McJtyLib (1.21.1, 1.20.1) – The Foundation for High-Tech Worlds
McJtyLib is a companion mod required by all mods from McJty: RFTools, RFTools Dimensions, Deep Resonance and also by RF Lux by romelo333. Features: Acts as a required library for a large collection of mods. Allows various tech mods to function properly without crashing. Provides the necessary code for mods including RFTools, XNet, Deep Resonance, […]
WorldWeaver: Remastered
WorldWeaver Remastered is a powerful modern API and world generation library! As the successor to BCLib, it provides the essential framework for BetterEnd and BetterNether, fixing core terrain bugs and unlocking advanced data-driven dimensions!
BCLib: Remastered
BCLib Remastered is a powerful core library and API for Minecraft Fabric 1.21.1. It provides essential shared utilities, rendering tools, custom configs, and procedural models for BetterEnd and BetterNether. Specially optimized for modern modpacks!