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
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)
Compostable
Survival friendly plugin that makes more things usable for the composter block, like rotten flesh and fish!
简易生存 Simple Survival
I added over 100 recipes! 【Breaking the balance】
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,
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.
Drop & Grow
Automatically plants dropped saplings. A great quality-of-life feature for clean inventories and farm automation that fits perfectly into vanilla survival
HomesGUI-Plugin
A simple and clean Homes GUI plugin for survival servers.
GreatCompactors
Plugin for Personal Compactors from Hypixel Skyblock

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.
Skylife
A Skyblock with the goal to make everything different (at least a bit)
HardcoreZ
Just a Hardcore Plugin Functional for Minecraft
Player Detector
Redstone block that detects if a player is standing on it
Unmount
Automatically break your Minecart on dismount! Quality of life addition for survival servers to clean up railways.
Thermostats
⚡A plugin that adds realistic temperature to your server. Make the server more hardcore and more attractive for survival!
Renewable Survival
Makes All Items Renewable. Adds crafting or mob drops.
PLASTIC CRAFT
A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.
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.
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.
hypixel skyblock endstone protector timer
timer for hypixel skyblock endstone protector
Hardcore Extra's
A plugin designed for adding extra options for when dying, such as lives or death bans.
Extended Redstone
A mod that adds more redstone blocks with unique functionality
Combat Care
A client-side survival helper that automates smart food consumption, emergency Gapple usage, and safe offhand totem refills
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.
NucleCore
NucleCore is an ultra-light PR survival plugin that introduces the complete management of a nuclear sector.
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.
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.
LifeLimitz
A hardcore life management plugin featuring custom resurrection rituals. Limit lifes!
ManaFont
ManaFont is simple mana system inspired by Hypixel Skyblock.
OrjusBlockStats
OrjusBlockStats is a powerful and lightweight flexible block tracking plugin designed for survival and competitive Minecraft servers.
SafeSteps
SafeSteps is a survival utility plugin that lets players toggle fall damage immunity and shows exact death coordinates with world info.
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
MaxTools
Perfect for a survival game with progression.

More Redstone
More fully vanilla style redstone blocks that Mojang should add in Minecraft!
ElementalCrystals
ElementalCrystals adds custom elemental crystals with special abilities. Players can craft and use Fire and Water Crystals in survival gameplay. Thanks
SR ChestPreviwe Premium
SRChestPreviewer allows you to see the contents of any container without ever opening the UI. Perfect for survival
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)