Fabric Mods for Minecraft 1.21
Browse 86 free Fabric mods for Minecraft 1.21 — popular picks include Fabric Seasons: Nature's Spirit Compat, Profundis: Nine New Quality Cave Biomes, TravelerZ.
Updated daily
Fabric Seasons: Nature's Spirit Compat
Nature's Spirit compatibility for Fabric Seasons

Profundis: Nine New Quality Cave Biomes
A world generation mod adding in nine new cave biomes, to make the underground more varied.
TravelerZ
Adds titles while traveling through biomes to show the average level of mobs as an addon for the nameplate mod
Stellarity
Extreme rehaul of The End in a unique fantasy style, combined with biome and structure overhauls, new items, weapons and plenty of other content to discover.
The Immersive Music Mod
147 new songs. Played based on biome and structure!
Gigeresque
Gigeresque is a horror-themed mod that offers players a dive into the horrific biomechanical world of the xenomorphs, and the mutated realms of the neomorphs, deacons, and goo mutants.
Nature's Melody
Addon for Nature's Spirit that expands the default Nature's Spirit music in a suitable, vanilla-like fashion. Also works great together with Legacies and Legends' music.
Custom Biome Saplings
Allows Terralith and Blooming Biosphere trees to be regrown using vanilla saplings
Auto Warden Subtitles
This mod automatically turns on subtitles when entering the Deep Dark biome, making it easier to detect any nearby Wardens or other entities.
RPGTitles
Small, cosmetic datapack that adds titles to small things in the game! See the dimension name when you switch dimension, see the current biome you are in and maybe get something when you kill a powerful foe..

Alex's Caves: Refabricated
An unofficial Fabric port of 'Alex's Caves' - Explore five new rare cave biomes hidden under the surface of the Overworld...
PicoHUD
Unobtrusive, player-readable coordinates, day, time, facing direction, and biome - with toggle/hold key modes. An alternative to minimaps and F3.
Ruined Portals Only
Restrict lighting of portals to within a ruined portal structure's bounding box. Makes exploration a must and controls Nether travel. Configurable for Overworld and Nether. Now supports modded structures and biomes!
Biome Tag Villagers
Changes Villager Types to use Tags instead of just Biomes!
Firestarter
Makes fire spread more aggressive and much more likely to completely level wooden structures, or forests...
Settling Trader
Converts wandering traders into villagers as a way to populate new villages with different biome variants
Better Birch Forest
Better Birch Forest adds new vegetation and more Saturatet colors to the Birch Forest. Also it adds Fireflys
Level Z - Oh The Biomes We've Gone
A level Z add-on for the Oh the Biomes We've Gone mod
Biome Shader Switch
🗸 Switches shaders based on the player's current biome. Supports Iris & Oculus shader packs with per-biome, per-height, and fallback shader rules. Auto-detects all biomes including modded ones — zero manual config needed.
Enhanced Biomes Music
Improves soundtrack playback in biomes, adds an Intelligent Playback System in Mountain and Cave biomes — something that was so missing in Minecraft. Check out the description to see what else the mod improves.
Green Cuts
No more deforestation on SMP!
Structure nature(Alpha)
we add everything we think is fun anything that will enhance the minecraft experience
Mildly Fast Leaf Decay
Mildly Fast Leaf Decay accelerates the natural leaf decay process to clear forests quickly while maintaining a satisfying cascading visual effect. It is optimized for Fabric to help reduce server lag and keep your world clean without feeling instant
B-RTP
BlanketRTP is a Minecraft Fabric mod that offers customizable rtp (random teleportation), including biome-specific options. Enhance exploration with a gliding mechanic after the (RTP). Easy to configure and optimized for performance
More Biome Coloured Blocks
Moss, Azaleas and more made biome coloured!
Salinity
A New Cave Biome, a New Armor, a New Mob, and more.
Corrupted Nether
Adds a Corrupted Forest biome to The Nether
Make It Rain!
Client-side mod that adds rain to normally dry Overworld biomes
Biome Spreader
Adds recipes for potions that can spread biomes
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.
Fix Jungle Saplings
Fixes Jungle Saplings drop rates to match other trees.
Advancement Tracker
A Minecraft mod that allows for better advancement progress tracking with detailed insights for biome exploration, animal taming, breeding, food consumption, and monster hunting.
Nature's Cauldron
Making Brewing Actually Enjoyable
Grow More Gardens
A farming-focused mod that lets you grow, expand, and manage your own garden with new crops, tools, and immersive mechanics.
Crying Obsidian Upgrade
Crying Obsidian Upgrade --- A mod that adds a lot of items, food, mechanics. Also adding a new biome, ores and mobs changing the idea of weeping obsidian. The mod also fills the world with different structures.The mod is filled with different content.
Jungle Update
Mod has been merged! - https://modrinth.com/mod/jaizmod This is to keep the work load down for myself, and keep updates coming! Adds new jungle related features