Minecraft Java 1.21 Mods
Browse 346 free mods for Minecraft Java 1.21 — popular picks include AlwaysDaytime, Dirt Slab, Discontinued Features.
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AlwaysDaytime
Always make your worlds be at Daytime!
Dirt Slab
Fully functional half blocks of dirt (+ World Gen!)
Discontinued Features
Use the items Mojang doesn't want you to have.
Geodes+
Geodes+ is a lightweight mod that adds a geode loot-box type mechanic inspired by Stardew Valley.
Hundreds & Thousands
What I call "The Everything Mod"! They adds almost anything I can think of. Structures, animations, advancements, enchantments, everything! Suggestions are welcome, as I always want to better the mod! Thanks for reading this!
Reforested
A Reimagining/Love letter to Forestry and Binnie's Mods for Minecraft Fabric 1.21
Soggy Swamps
Adds new items, blocks, and structures to the swamp
Crystal Town Mod
A mod that adds a slightly elaborate universe! A couple of dimensions, lots of interesting mobs, progression, magic wands and toxic weapons!
Cubic Realism
CB is a mod made with Mcreator, having the goal of revamping minecrafts realisim and magic. From perma ban swords to steelmaking and even lead poisoning, this mods goal is to have it all! (Yes that includes bombs).

Orbital's Radish Mod
A basic food mod that adds radishes, radish blocks, a radish weapon, and more!
RealMobSize
Generate your mobs with real-life scale
Wealizh
An industrial-themed mod with imagination, featuring various minerals and machinery
Industrium Mod
Industrium is the all new mod for revamping your minecraft with a fresh set of items and blocks!
Grippers
A horror-comedy mod featuring a custom dimension, cryptic secrets, explore carefully, there's more going on than it seems.

PlotMe
Plot management plugin for Paper 1.21+ — modernized maintenance fork of the abandoned WorldCretornica PlotMe, with the default plot-world generator bundled in.
Evo Biomes
Dynamic biome evolution, gradual transitions, and environment-based ecosystem.

Better Chorus Trees
Improvements to Chorus trees that can impact farms and end agriculture :D
Pandora Holograms
A high-performance, packet-based hologram plugin designed for modern paper/spigot minecraft servers.
Cravings: Foods and Drinks
This mod adds numerous foods and drinks to Minecraft!
Decharted
Decharted is a mod based around the corruption of the world, this mod allows multiple ways for the player to send their friends (or foes), to a separate dimension to have them stuck. You may also be able to spawn trap players before they die and respawn.
Ashfall
Ashfall aims to transform caves using no game breaking mechanics
Stuck - a backrooms mod
Get lost in the Backrooms. Yellow hallways, battery flashlight, exploration map, and a hidden Async Research terminal. Inspired by Kane Pixels.
Wilds Regrown
Wilds ReGrown is a complete world (generation) overhaul.
SurvivalReborn
Survival Reborn enhances Minecraft survival with dynamic terrain, new biomes, and unique mobs, offering fresh challenges and gameplay mechanics. Explore, craft, and survive in a world full of adventure, ancient secrets, and powerful items!
MinecraftContentExpansion
New early game, new materials, new mechanics, new tools and much more!
MHDF-Tools
MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨
WinterWibe
WinterWibe is a lidle plugin that allows snow to spawn all over the server!
"Townfall" - Dungeon in the sky
Data pack roguelike sky dungeon
Rock
A simple mod that adds decorative pebbles to the Minecraft world generation without the need of resource pack.
SkazochniyPatrol
Dive into the magical world of the animated series "Fairytale Patrol"! Meet your favorite heroines - Alenka, Masha, Snezhka and Varya, explore mysterious structures, collect the keys of the elements and go to a new dimension - the Fairytale World!
Higher Build Limit
Makes the build limit higher but not too high so it is somewhat stable and less laggy!
MeowFurniture
Create survival-friendly custom blocks, ores, multiblocks, crafting, and commands, with a web block generator.

THE OTHER
Overpowered Terrific HBM Effortlessly Reimagined
Celestial Horizons
Adds 170 Biomes ,1 new dimension and 20 blank presets for map making. Alpha v1.0 is designed for mapmaking.
Minecraft But EVERY Mob Explodes!
Pretty much"Minecraft but Every Mob Explodes" lol
VG Artifacts
A datapack that adds famous items from various video games, such as mario and zelda!