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Minecraft Java 1.21 Mods

Browse 124 free mods for Minecraft Java 1.21 — popular picks include The Krptonians, Compostable, 简易生存 Simple Survival.

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The Krptonians
1.21.8neoforge

The Krptonians

A mod made in 3 hours that aims to add Kryptonian superpowers and supermans costume! fully obtainable in survival! (part of my 3 hour challenge series)

177downloads
Compostable
1.16

Compostable

Survival friendly plugin that makes more things usable for the composter block, like rotten flesh and fish!

177downloads
简易生存 Simple Survival
1.20.5fabric

简易生存 Simple Survival

I added over 100 recipes! 【Breaking the balance】

174downloads
anvil command
1.21.11

anvil command

Portable Anvil is a simple and lightweight Paper/Spigot plugin that lets players open an anvil anywhere with the `/anvil` command. Perfect for survival, hardcore, SMP, and PvP servers, this plugin gives players fast access to repairing,

174downloads
ULTIMATE SMP LITE
1.20

ULTIMATE SMP LITE

A lightweight SMP utility plugin with homes, teams, TPA, scoreboard, and realistic tree gravity. Designed for clean, simple, performance-friendly survival servers.

172downloads
Drop & Grow
1.21.5

Drop & Grow

Automatically plants dropped saplings. A great quality-of-life feature for clean inventories and farm automation that fits perfectly into vanilla survival

157downloads
HomesGUI-Plugin
1.20.4

HomesGUI-Plugin

A simple and clean Homes GUI plugin for survival servers.

153downloads
GreatCompactors
1.21

GreatCompactors

Plugin for Personal Compactors from Hypixel Skyblock

152downloads
Ashen World
1.21.1neoforge

Ashen World

A Fallout-inspired survival mod for NeoForge that introduces radiation, mutations, contaminated environments, chem crafting, and dangerous evolutionary changes to your Minecraft world.

150downloads
Skylife
1.21.4fabric

Skylife

A Skyblock with the goal to make everything different (at least a bit)

137downloads
HardcoreZ
1.21

HardcoreZ

Just a Hardcore Plugin Functional for Minecraft

134downloads
Player Detector
1.21.11fabric

Player Detector

Redstone block that detects if a player is standing on it

114downloads
Unmount
1.14

Unmount

Automatically break your Minecart on dismount! Quality of life addition for survival servers to clean up railways.

111downloads
Thermostats
1.21

Thermostats

⚡A plugin that adds realistic temperature to your server. Make the server more hardcore and more attractive for survival!

109downloads
Renewable Survival
1.21.11

Renewable Survival

Makes All Items Renewable. Adds crafting or mob drops.

104downloads
PLASTIC CRAFT
1.21.1neoforge

PLASTIC CRAFT

A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.

100downloads
Petrova Wastelands
1.21.1neoforge

Petrova Wastelands

Petrova Wastelands: An Interstellar Odyssey In a universe where the stars are fading, heat is no longer a resource—it is your only hope for survival.

87downloads
Resource Minion Mod
1.21.1fabric

Resource Minion Mod

Love the Minions on Hypixel Skyblock but wish you could have them in your own single-player world or private server? This is the Mod.

85downloads
hypixel skyblock endstone protector timer
1.21.10fabric

hypixel skyblock endstone protector timer

timer for hypixel skyblock endstone protector

85downloads
Hardcore Extra's
1.21.8

Hardcore Extra's

A plugin designed for adding extra options for when dying, such as lives or death bans.

73downloads
Extended Redstone
1.21.4neoforge

Extended Redstone

A mod that adds more redstone blocks with unique functionality

69downloads
Combat Care
1.21.8neoforge

Combat Care

A client-side survival helper that automates smart food consumption, emergency Gapple usage, and safe offhand totem refills

66downloads
UltraDrawer
1.20

UltraDrawer

UltraDrawer is a powerful storage plugin inspired by drawer mods, allowing players to store massive amounts of a single item in one block with visual displays and seamless automation support.

66downloads
NucleCore
1.21.11

NucleCore

NucleCore is an ultra-light PR survival plugin that introduces the complete management of a nuclear sector.

65downloads
FFPackage Survival Fixes
1.21.1neoforge

FFPackage Survival Fixes

Fixes many broken features in the FFP mod, also adds crafting recipes to some items that did not previously have them in the Fazbear Franchise Package Mod, making creating endoskeletons in survival no longer completely impossible.

63downloads
SkyfunUtils
1.21

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.

52downloads
LifeLimitz
1.21.5

LifeLimitz

A hardcore life management plugin featuring custom resurrection rituals. Limit lifes!

50downloads
ManaFont
1.21

ManaFont

ManaFont is simple mana system inspired by Hypixel Skyblock.

50downloads
OrjusBlockStats
1.21

OrjusBlockStats

OrjusBlockStats is a powerful and lightweight flexible block tracking plugin designed for survival and competitive Minecraft servers.

47downloads
SafeSteps
1.21

SafeSteps

SafeSteps is a survival utility plugin that lets players toggle fall damage immunity and shows exact death coordinates with world info.

46downloads
FurnaceUpgrades
1.21

FurnaceUpgrades

FurnaceUpgrades 1.0.0 initial public release adds survival furnace upgrades with minerals across speed efficiency and fuel paths with per level configurable costs and effects in config and furnace status shown in the action bar

42downloads
MaxTools
1.21

MaxTools

Perfect for a survival game with progression.

39downloads
More Redstone
1.21.11fabric

More Redstone

More fully vanilla style redstone blocks that Mojang should add in Minecraft!

38downloads
ElementalCrystals
1.21

ElementalCrystals

ElementalCrystals adds custom elemental crystals with special abilities. Players can craft and use Fire and Water Crystals in survival gameplay. Thanks

36downloads
SR ChestPreviwe Premium
1.21

SR ChestPreviwe Premium

SRChestPreviewer allows you to see the contents of any container without ever opening the UI. Perfect for survival

32downloads
Craftable Creakings
1.21.4

Craftable Creakings

This simple data pack allows one to craft a creaking egg in survival! Now you can build redstone machines that activate simply by looking at a creaking that doesn't despawn! (The creaking will not despawn if named)

32downloads