Fabric Mods for Minecraft 1.21
Browse 397 free Fabric mods for Minecraft 1.21 — popular picks include Something isnt right..., RPGTitles, I want it earlier (Mounts of Mayhem, IWIE).
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Something isnt right...
Something isnt right Psychological horror mod using gaslighting, stalking mobs, and ghost sounds to break your mind.
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..
I want it earlier (Mounts of Mayhem, IWIE)
This Minecraft Mod adds things from the Minecraft Live before Mojang publishes them in a snapshot! Or just backport the new stuff..
Poisonous Potato Update
Almost all content from the April Fools' snapshot 24w14potato
CobbleSpawners
This Cobblemon addon mod allows map creators or admins to place custom Pokémon spawners, manage spawn settings via a GUI, and control Cobblemon spawning behavior, including Pokémon species, spawn chances, and custom stats.
Fossils and Archaeology: Legacy
Adding dinosaurs since 2024! A fork of the original Fossils and Archaeology mod by Team July to the latest versions and patched up!
Peaceful Progression
Makes blocks/items/dimensions which require hostile mob drops available in peaceful difficulty

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...
Wayfinder
A new Immersive exploration mob that takes you to your desired biome! This mob creates a more lore & balanced way of finding biomes and offers tons of customization to tailor to player experience!
Cobblemon: Duck's Definitive Edition
Enhance your Cobblemon experience with new biomes, Legendary Pokemon quests and spawns, Pokemon Capture EXP as well as QOL features like Teleporters, Falling Trees, Pokemon Map Icons, and FINALLY Updated Pokemon Drops, removing the need for mobs!
Domix's Creatures
A mod that focuses on adding cool creatures, structures, blocks & items
Clumpy Bros: Burgers R Cool
This is the Burger mod seen in the Clumpy Bros YouTube videos. It introduces a whole new dimension to explore as well as some other cool features.
Spontaneous-Replace
Provide players with enhanced vanilla adventures with new content
One Block Horror
Start on a single block and progress by unlocking resources, dimensions, and challenges… now with added HORROR mods that introduce creepy creatures.
Psittacine
Breedable parrots, 35 new parrot skins, colorful feather blocks, transport cages, and functionality tweaks.
Hidden Realm
This mod adds new hidden realm, visit bazaar and trade your lunar coins with items.
Perfect Parity: Spring To Life Edition
A near 1:1 backport mod of the Spring to Life update
Caligo
A cave expansion mod that adds several new mobs and blocks!
Frights and Foliage
Adds Autumn-themed biomes, mobs, food, and more to Minecraft
PerformanceX
Struggling with LAG??? Look no further! PX is an All-in-one server performance suite - 50 modules including item/mob despawn timers, AI throttling, lag machine detection, auto backups, Discord webhooks, Geyser support, and more. 1.8.8-26.2.
Biome Tag Villagers
Changes Villager Types to use Tags instead of just Biomes!
Nether Descent
A nether biome mod by the Potion Studios team, truly an adventure like no other awaits you with new biomes, mobs, blocks, items and more!
Perfect Parity: The Garden Awakens Edition
A near 1:1 backport of 1.21.4
appledog
adds appledog and applepup and dogapple!!!!
Star Wars Planets Stellaris
Explore the beautiful and vast universe of Star Wars !
More Gear
This mod adds 15 new sets of armor and tools; four are based off of vanilla items and the rest off of new ores which can be found throughout the dimensions! There is also a new custom structure in the End dimension holding a new boss called the Shrike!
Jaiz Mod
A collection of Vanilla+ Additions made by Jaiz
Hollow
A mod about hollow logs and hollow promises
Faunus
Adds a large variety of new exotic animals to Minecraft!

Adventurer's Beyond
Explore lost structures. fight dangerous bosses, and journey to the beyond in this epic mod.
The Nether Dungeons
I have added a dungeon that spawns at the depths of the nether which has a summing room where you have a chance to summon 3 different bosses.
Fixed
A mod designed to fix the core gameplay elements of Survival Minecraft

animals variants
a mod that add the cold cow
More Pillager Towers Variants
Adds 8 new pillager towers to your world!
Superb Warfare ReFabricated
Fabric port for Superb Warfare Mod
[FABRIC] Capybara
Add Capybara and new structure for Minecraft !