Minecraft Java 1.21 Mods
Browse 1,097 free mods for Minecraft Java 1.21 — popular picks include Omnia, LagFree, SD5.
Updated daily
Omnia
This project adds a massive, carefully curated 350+ mod experience. Omnia combines next-gen aesthetics (Distant Horizons, Shaders), deep farming/building mechanics, and epic exploration into one uncompromising, hardware-hungry sandbox.
LagFree
A lightweight lag-fixing plugin for Paper/Spigot that clears items and stabilizes TPS.
SD5
SubData 5, the official Minecraft Datapack as seen on SubBurban 5.
LeashedMobsTeleport
Teleport leashed entities across dimensions and allow leashing any type of mob with advanced protection.
Meric's Wonderland
A large NeoForge 1.21.1 modpack focused on Create engineering, Aeronautics, exploration, world generation, food, decoration, and a richer survival experience.
AgonyMinus
Adds various gimmicks and items and critters and whatnot
More Collectables by Memontanik
This Project Adds More Stuff to Collect, Craft, Use and Break! It could be a fun experience with this Project!
Skies of the Unknown
A sky‑engineering exploration pack built with Create and Aeronautics. Build airships, explore new dimensions, and face powerful challenges across floating worlds.
Beyond The Simulation
Grow a Lab Grown Brain that Connects Redstone Beyond the Distances, Dimensions, Worlds, Servers and Realities? (yes, connect redstone to real life)
Better Auth
BetterAuth is a lightweight and powerful authentication plugin for Minecraft servers. Protects against bots, hacks, and unauthorized access. Supports all server cores and versions from 1.8.9 to 26.x.
AltWorld
AltWorlds is a Minecraft plugin that lets players create and manage personal worlds with a GUI.
Better Radioactive
Adds Uranium ore, blocks, and radioactive potion effects. A vanilla-plus tech mod for NeoForge 1.21.8 aiming for realistic nuclear energy.
PLA
This mod adds plastic into minecraft! A dirty desert, a 3D printer for special crafting, and tupperware!
tincraft 2
a improved version of the original tincraft mod
Structure-technique-redstone
A mod for learning and viewing redstone systems like a portal, furnace, iron factory, etc.
Create-Borafied
A lightweight modpack focused on Create, Aeronautics, farming, and exploration.
ryoumod
Get ready for the ultimate journey! ⚔️ This modpack combines an epic RPG experience with brutal challenges: face colossal bosses 👹 and explore completely remastered Nether and End dimensions that will blow your mind 🌌. If you’re into tech, master advance
Fight Back
Fight Back against Horror Mods with OP armour that grants effects like flight and invulnerability, tools that one-shot and insta-mine everything, a new dream-like dimension, new achievements, and more!
Magnolia SMP
Magnolia is a cozy exploration, building, and farming modpack centered around Create, Farmer's Delight, and a carefully selected collection of world generation, decoration, and immersion mods.
FastArena
FastArena provides fast, lag-free, and fully automated arena resets
Create Powah
A Create-focused modpack with automation, exploration, and cozy building.
SharkventurousCraft
SharkventurousCraft is a Create-focused exploration modpack for Minecraft 1.21.1 (NeoForge).
javaTNT
javaTNT – Realistic TNT explosions with craters, just like vanilla Java, optimized for Paper servers.
Create Aeroborne
A modpack I designed for playing with my friends, aimed to provide a fun building experience, aid exploration, and enjoy create under a new light
WardRegion
Region protection plugin for Minecraft 1.21 with wand-based selection, GUI management, whitelist access, flexible flags, particle previews, and MySQL storage.
New Haven
New Haven is a medieval geopolitical modpack built around nations, trade, warfare, exploration and large-scale engineering.
Be happyy
🎮 Be Happy is a NeoForge 1.21.1 modpack for long-term survival with friends or solo. Build flying machines with Create Aeronautics, automate factories with Mekanism & AE2, fight Cataclysm bosses, explore new biomes & YUNG's dungeons — not a vanilla pack!
TechNomads Multiplayer Server Pack
Official TechNomads client pack: Create Aeronautics, connected quests, nomadic engineering, exploration, and multiplayer optimization.
WXJK's Simple Pocket Dimensions
This project adds 3 tiers of pocket dimensions that you can craft and enter. each player will have their own if they craft it.
SkyfunUtils
An Ex Nihilo-inspired Slimefun addon that bridges the gap in finite world genre like Skyblock with custom sieving, hammering, and resource generation mechanics.
Legacy Console World Sizer
Adds finite world sizes inspired by the classic console versions.
HollowScanner
HollowScanner is a Minecraft 1.21.4 Bukkit plugin that adds a handheld scanner item to help players detect nearby caves and dungeons underground by providing vibration feedback via sounds and particles.
ElraRTP
Community-maintained fork of the RTP plugin with support for Minecraft 1.21+
Modded Chaos by did 5
Modded Chaos By Did 5 is the fifth and most refined version of a long‑running personal modpack series, combining advanced Create automation, industrial tech, immersive building, and exploration tools into one cohesive experience.
CreaMon
A Minecraft modpack focused on Create automation, Cobblemon adventures, exploration, creature catching, and quality-of-life improvements.
VoidDimension
Add a void dimension and a void anchor block to go to the void dimension.