Minecraft Java 1.21 Mods
Browse 35 free mods for Minecraft Java 1.21 — popular picks include CB Multipart, Smelt All Stone Blocks in Blast Furnaces [Fabric/Forge/NeoForge], Hardcore Mode 2.0.
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CB Multipart
An opensource library for having multiple things in the one block space
![Smelt All Stone Blocks in Blast Furnaces [Fabric/Forge/NeoForge]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/207724.webp)
Smelt All Stone Blocks in Blast Furnaces [Fabric/Forge/NeoForge]
Blast all types of stone including Netherrack or Quartz, fully configurable
Hardcore Mode 2.0
The most difficult mod in all of Minecraft. Do you dare to play it?
DS Dragonborn lib
An addon for dragonsurvival that allows the use of the playermodel for custom species.
HammerMultipart
Library to place multiple things in one block space.
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.
Azurium : Tools - Armor
Add New Simple Material [ Azurium Tools And Armors ] [ Not OP Mod ] [ Hardcore ]
Rhizome - Hypixel SkyBlock
Not Enough Gadgets for Hypixel SkyBlock!
Simple Orbital Cannons
Circuit & Cartridge is a NeoForge 1.21.1 military simulation framework featuring advanced redstone, drones, orbital weapons, electronic warfare, and a public addon API, built for hardcore SMP and mil-sim servers.
Tweaker Stick (Debug Stick)
A working Debug Stick for Survival mode use. ✅ Java REALM Compatible
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
Hypixel SkyBlock Gadget Library
A library mod for my hsg (Hypixel SkyBlock Gadget) series.
UHC
Ultra Hardcore survival minigame!
Half Heart : Challenge
Survival challenge where players only have half a heart.
DrArora Texture Pack
This texture pack is designed for players who enjoy PvP, SMP, and survival while keeping the classic vanilla feel of Minecraft.
Sword Storm
The Sword Storm Enchantment for Minecraft 1.21 Fabric Mod adds wind-element abilities to all types of swords (Diamond Sword, Netherite Sword, etc.) with levels ranging from I to V. In Survival Mode, it can be obtained via Enchanting Table (consuming 50% mo
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
Advanced Mining
A plugin that adds a powerful and customizable Mining System. Similar to the one on Hypixel Skyblock.
QoL
(1.21.5+), Adds Quality of Life features that everyone needs in their Survival worlds/servers (will also include some of my other datapacks/mods in here)
Makertastic Experience
A project that aims to make Minecraft survival feel fresh again, adding new mechanics and fun features to the game.
HardcoreAxol's Mithril Mod
this mod add mithril to minecraft
Luminous Mind
✅ New helmet enchantment ✅ Permanent Night Vision while worn ✅ Balanced survival gameplay ✅ Multiplayer friendly ✅ No potions, no flicker, no hassle
One Block To End All One Blocks
Quest-driven one block survival for Fabric 1.21.4. Break your block, earn drops, complete quests, advance through 6 phases. Multiplayer-ready with team islands and bridge merging. Requires Fabric API.
ServerSideBuilds Plugin
ServerSideBuilds is a clientless, zero-dependency Minecraft construction zone simulator that projects holographic block blueprints directly to any standard player client. It streamlines survival building with real-time placement verification, etc...
Exotico
The ultimate Hypixel SkyBlock exotic armor scanner and highlighter for Minecraft 1.21.11.
Skyblock Itemtracker
This mod adds a system that tracks every time you get an item in Hypixel Skyblock for the first time.
Real Temp
A realistic client-side temperature survival mod with dynamic biomes, weather, altitude, armor insulation, and seasons. Survive freezing winters, scorching summers, and extreme climates with immersive environmental mechanics.
Sky Book
SkyBook is a Fabric client-side Minecraft mod for 1.21.11 (Java 21) that brings the Hypixel SkyBlock WIKI into the game without ever leaving a container screen.
HMWBTE's Cosmetics
A datapack that brings custom text displays (and more) into survival!
HardcorePlusMod
The mod will add a lot of changes to the game that will make the game more challenging.
Simple Spawn Egg Recipe
Designed to expand survival progression by making every spawn egg obtainable through crafting rather than relying on creative mode or commands.
TSFlareons Item Core Mod (1.21.8, 1.21.1) – Play Datapacks with Custom Items
TSFlareons Item Core Mod adds custom items that are required by certain datapacks. It acts as a core library because datapacks alone cannot add new items to the game. You will not find these items in survival mode unless you are also using the datapack they were made for. For example, this mod is necessary […]
CB Multipart Mod (1.21.1, 1.20.1) – Combine Parts in One Block
CB Multipart Mod (formely known as Forge Multipart) is an opensource library for having multiple things in one block space. Features: Allows multiple modded parts, like cables or panels, to fit inside one block. Acts as a core library that other mods depend on to add multipart blocks. Lets you combine different small items from […]
Nox's Library Resource Pack (1.21.1, 1.20.1) – Texture Pack
Nox's Library Resource Pack is simply seen as a cluttered and studious texture for bookshelves. It is done for you if you are really desperate for a little more whimsy in survival Minecraft and with the oncoming addition of chiseled bookshelves. It will not keep the regular bookshelves full of books anymore. These are stashed […]
Hypixel Mod API Mod (26.2, 1.21.1) – Hypixel Server Data API
Hypixel Mod API Mod is a dependency mod that enables other Minecraft mods to interact with the Hypixel server. Features: Enables communication between client mods and the Hypixel server. Required by many SkyBlock/QoL mods. Supports multiple mod loaders and Minecraft versions. Hypixel Mod API Mod Download Links