Fabric Mods for Minecraft 1.21
Browse 1,011 free Fabric mods for Minecraft 1.21 — popular picks include PyCraft IDE, PufferPuffer, Leave My Pets Alone.
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PyCraft IDE
An in-game Python IDE for Minecraft that allows scripting and interaction with the game through a Python API.
PufferPuffer
🐡 Allows you to cook pufferfish and make soups with it
Leave My Pets Alone
Makes wolf armor protect against a /kill
Void Helper
This project adds essential utility tools for Void players, featuring Auto Bucket, No Ghost Hit, and an intelligent nearby Player/Mob counter.
Pigs Might Fly
Adds a potion to make pigs fly!
Creaking Potion
Adds a new potion effect that temporarily makes an entity get immobilized like the Creaking
Too Many Creepers
As if we didn't have enough...
Aedans Unicorns
Adds a shiny new unicorn horn to your world to save your horses from an untimely demise.
Soul Spawners
Craft and Activate Spawners in New Magical Ways!
Leader Zombie Tweaks
[OBSOLETE] Appearance & stat changes to leader zombies, addon to Zombie Improvements

LootShare
Tired of divvying up loot after bossfights?
No Rest For The Living
Disables sleeping and spawns phantoms when you try to
Nitroito's MobHeads
Collect heads from every vanilla mob and variant with advancement-based collection tracking.
S4mus Possession
Possess and play as many different Minecraft mobs, each with custom abilities, sounds, movement, and aggro behavior. Zombies, skeletons, illagers, wardens, breezes, endermen, wolves, piglins, pandas, and more all have unique mechanics.
Theyab Skyblock: Ramadan
A Ramadan-themed Skyblock mod with a custom trader, currency system, and themed food items.
Hard Spawners
Makes spawners spawn mobs if broken, primarily made for use with dungeon mods
DropBar
DropBar turns your XP bar into a Mob Radar. New v2 style detection pips.
Simple Immortal Pets
A single mixin mod that makes all tamed entities immortal.
MineableTrials
Harvest trial spawners and vaults!
Baby Zombie Removal
A mod that removes baby zombies made for fabric 1.21.8
No Creeper Explosions
Stops creepers from damaging blocks with their explosions.
TC Battle Growth
Gain experience immediately while fighting, instead of the old experience gain logic.
What you got there?
This mod adds a client-side nametag that displays every enchanted book trade for each librarian villager.
Robot Legion
Build a steampunk robot army. Workers automate jobs while combatants fight beside you through three boss dungeons. Trade with engineer villagers for rare parts.

TeamWork
Adds Multiple interactions between hostile mobs, making them do, well, Teamwork
poopool
Additional mobs, updated mob mechanics, & cat_jam. Also comes with voice chat, essential & performance mods.
Light Suppression Wand
Get full control over light-emissive blocks.
Oozing magma
makes Oozing effect spawn Magma Cubes in the Nether

Stellaria
A mod dedicated to fighting enemies in a space-like environment!
CraftStats
CraftStats is a universal in-game stat editor for Minecraft that lets you inspect and modify the properties of any mob, block, item, or player.
Simple Egg Spawn Recipe [MOD]
Designed to expand survival progression by making every spawn egg obtainable through crafting rather than relying on creative mode or commands.
BITE
Minecraft has become too easy. BITE will changes that.
Battle Only Capture
Requires wild Pokémon to be captured during battle and removes wild opponents after the battle ends.
GiveMeGunpowder
A mod/plugin that makes some mobs drop more gunpowder
Allay Filter
Bundles behave as filters for an allay. Allowing players to specify a set of items or even all items!

SpyGlassMe
Grow or shrink people with a Growing or Shrinking SpyGlass