Minecraft Java 1.21 Mods
Browse 440 free mods for Minecraft Java 1.21 — popular picks include Retinted: Vanilla Waters, Global Emeralds, World of Wonders Reforged.
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Retinted: Vanilla Waters
Retints Waters of Vanilla biomes. (REQUIRES POLYTONE MOD) Part of the Retinted resource packs series.
Global Emeralds
Unlocks Emerald Ore to spawn in all biomes.
World of Wonders Reforged
Discover new structures inspired by The Twilight Forest, Create, Alex’s Caves, Biomes O’ Plenty, and Another Furniture, designed to enhance exploration and blend naturally into the world.
Dungeons Bamboo
Adds the 3 types of bamboo found in Minecraft Dungeons depending on the 3 biomes it generates in.
Immersive Bonsai: Biomes O' Plenty
Allows for Garden Cloches to produce logs from crafted bonsai trees. Bonsai trees can be placed as decorations on any block and won't grow into actual trees. This addon adds bonsais for Biomes O' Plenty.
Blue Cobs
A simple smooth blue cobs texture pack thats used for PvP, YouTube Recordings, Live Streaming on platforms such as YouTube or Twitch, playing on your survival world and being able to see cobwebs properly despite it being snowy or in a snow biome .
More Little Decorations
Adds details in the form of different stones from different materials to each biome. In the future I plan to add more details such as sticks flowers fallen leaves and the like.

Lavaworks
A highly configurable biome lava mod.
Nature Paths
Nature Paths – Enrich your world with new flowers, natural structures, and decorative details that make every exploration more beautiful and unique.
Naturalist Biomes Java
6 free biomes from the upcoming Naturalist Biomes Add-On on the Minecraft Marketplace.
Middgard Foxed
UNOFFICIAL 1.21.1 Neoforge port of Sbeev's Midgard mod, a total biome overhaul aimed at making Minecraft's world generation more realistic. (+ some feautres not present originally)

Blue Cherry Grove
Recolors the entire Cherry Grove biome with blue textures, wood, and particles.
More Biome Coloured Blocks
Moss, Azaleas and more made biome coloured!
Pale Hollow
An underground biome based on what people theorized the Pale Garden to be.
Premier Pain mod
Add villager decoration blocks in lots of materials, food, beers, biomes and other adventure thing related to villager and the Premier Pain !
Christmas Season
Lightweight Christmas event plugin for Paper and Spigot 1.21 with biome snow, global snowstorms, decoration drops, gifts, elves and snowmen, controlled via the /xmas command, requires Java 21.
Salinity
A New Cave Biome, a New Armor, a New Mob, and more.
Terraspread - Spread Biomes
Spread biomes across biome borders with a new craftable item
Apple Tree
Apple trees grow naturally in some biomes, and provide ornamental block & building block.
Make It Rain!
Client-side mod that adds rain to normally dry Overworld biomes
Foresthaven
We are all board of the same boring trees classic huh? well guess what this pack is for you! the trees are round and the leaves are better!
TeTo totem
该材质包将游戏中的不死图腾改为重音主题样式,采用其标志性蓝绿色调This texture pack changes the in-game undead totem to a Hatsune TeTo-themed style, using her signature color scheme.
Cool End
This mod adds new biomes, structures, mobs and resources to the End and Overworld, expanding exploration and improving gameplay and visuals.
Better-X-BOP
A custom datapack that fixes and enhances Biomes O' Plenty Nether Biomes when using BetterX world types
Create: Plenty O' Recipes - (Biomes O' Plenty + Create)
A Compatibility Mod for Create and Biomes O' Plenty
Biomes of Bountiful Fares
An addon to Bountiful Fares that adds new biomes centered around the mod!
Mo Flowers
MoFlowers is a Minecraft mod that adds new flowers, shrubs and decorative blocks, with associated mechanics, biome generation, flower management API, custom rendering and localisation support.
Corrupted Nether
Adds a Corrupted Forest biome to The Nether
Aspen Grove
Add aspen biome & all other stuff
Biome Spreader
Adds recipes for potions that can spread biomes
BiomeAnnouncer
This plugin announces biomes with animated titles - supports both vanilla and Terra biomes
Fast Better Grass: Untinted Edition
A micro-pack that removes biome coloring from Fast Better Grass so it matches classic/alpha, fixed-palette foliage packs.
JS Leaves+ for Biomes Weve Gone
This resource pack improves the foliage in Oh The Biomes We've Gone by adding volume to it.
Panorama large biomes by Beluimem
Minecraft panorama large biomes
Amaranth
20+ unique biomes for you to explore
Better Nature (Vanilla Edition)
This resource pack adds mushrooms to trees, 3D leaves and new plants