Minecraft Java 1.21 Mods
Browse 845 free mods for Minecraft Java 1.21 — popular picks include Redstone Power Enhanced, Excavating Enchant: 3x3 Mining!, AutoLandingWater.
Updated daily
Redstone Power Enhanced
Redstone Power Enhanced is a mod that aims to enhance the creative experience in minecraft with new redstone blocks.
Excavating Enchant: 3x3 Mining!
New enchant for pickaxes and shovels that lets you mine 3x3x3 areas! Perfect for survival servers and very vanilla friendly.
AutoLandingWater
s long as the player has a water bucket in hand, falling from a height of three blocks or more will trigger an automatic water landing, ensuring the player's survival
Mafish Crafting (马夫鱼：合成)
🐟📘 一个马夫鱼模组的附属，让这个模组的物品可以在生存模式下获得 A mafish-learning extras adds a few recipes for survival
More Advancements
More Advancements is designed to flesh out your survival experience, adding new advancements that bridge the gap between major milestones
Survival Plus
A Minecraft gameplay mod bringing back the danger of survival with new mobs, features and base game changes.
JSST
A suite of server-sided quality of life tweaks and survival-friendly tools.
Radiach
This hardcore mod adds radiation to all biomes. From the very beginning the player will be accompanied by radiation
Creativerse
Survival and Creative mode dimensions in the same world!
Hardcore Totem Nerf
A hardcore-inspired collection of nerfs and debuffs applied to Totems of Undying.
Skyblock Dimension
Adds a skyblock dimension that features custom crafting and loot tables
Server Optimiser V2
Smart server optimization with optional TPS control. Reduce RAM usage 25%. Perfect for survival/skyblock servers. Entity optimization, chunk management, system monitoring.
Create Aeronautics: Survival Physics Staff
This mod adds a new survival physics staff which has a survival recipe and uses backtank pressure as fuel.
ZombieApocalypse999
Zombie Apocalypse 999 is a comprehensive zombie survival plugin that introduces unique zombie mutations, an evolving threat system, player infection, custom crafting, safezones, and configurable gameplay mechanics.
(Ultra) Hardcore Life Sharing
Share a life count among players in a Hardcore server, works with Ultra Hardcore too
mc extremo 3 mod
A mod that aims to faithfully recreate the Minecraft Extremo 3 experience from Eufonia and AuronPlay, including hardcore lives, danger levels, PvP, vengeance mechanics, custom HUD elements, and special events.
Catacraft
Transforming the familiar landscapes of Minecraft into a hauntingly beautiful and treacherous wasteland, this data pack offers players a gripping post-apocalyptic survival experience.
ShieldStatus Mod
This mod adds a simple color indicator — green when your shield is active, red when it’s disabled or recharging. Perfect for PvP and survival players who want better combat awareness without clutter.
Breakable Blocks
Make Blocks like End Portal Frame and Spawner Breakable and Obtainable in survival
The Grinding Table
Uncrafting, recycling, and more, all in one block.
Hardcore Revive Reloaded
Implements a three life system that creates a more multiplayer-friendly hardcore mechanic. Discontinued -- Use the new Hardcore Revive+ instead.
Vanilla Items Expanded
Adds new QoL items like magnets to make survival better. Vanilla friendly!
MiningQol
MiningQOL for hypixel skyblock. 1.21.10 fabric, yes it is Ai/vibe coded, shut up
Milestone
A fresh take on Skyblock. Where almost every mechanic is expanded, every item is obtainable and every thing was made beautifully ♡
Pokepuram !
PokéPuram is a feature-rich Cobblemon server blending classic Pokémon mechanics with vanilla Minecraft survival. Battle, catch, trade, and compete in an active community built for both adventurers and competitive trainers.
OneBlock CraftBound: Classic
A custom NeoForge OneBlock mod with phases, rewards, chests, mobs, and a true one-block start.
Simple Invisible Light
A datapack that adds an easy-to-craft and use, invisible survival light.
Beter Ultra Hardcore
Improving hardcore redim for playing both on a server with friends and in the local world in hardcore mode
No Creative In Survival
NoCreativeInSurvival Prevents players from switching to Creative mode while in Survival. Automatically forces Survival mode with a warning message.
(Fake) Hardcore
(Fake) Hardcore is a server-sided Fabric mod that re-imagines Minecraft’s hardcore mode by allowing operators to revive players instead of permanently banning them.
Health-Sync
Health-Sync -- Link hearts, hunger, and effects with your entire squad! Damage is shared instantly—if one takes damage, everyone feels it. The ultimate Health Share plugin for cooperative survival and hardcore challenges.
GlassSync
A mod for Hypixel Skyblock that fixes the clientside desync of glass pane block states on 1.21. This allows for easier aiming at glass panes for gemstone mining.
Aeternum Seasons
A dynamic and realistic station system for Minecraft Survival. Eng & Esp | Plug & Play
Improper's 3D Minimap
Minimap but with 3D terrain. Enhance your survival caving experience with this radar!
BlockFront Survival Patch
Datapack designed to enhance your BlockFront experience outside of custom games
Simple Shopping
Allows for simple, scam-free, grief-free shopping on your survival server!