Fabric Mods for Minecraft 1.21
Browse 6,633 free Fabric mods for Minecraft 1.21 — popular picks include Crystal Models, Hydraulic Machinery, Compostable Bamboo.
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Crystal Models
Replaces End Crystals with cool models for fabric. you can use almost any model you want!
Hydraulic Machinery
Turn pistons into industrial machines with hydraulic presses, automation, and configurable vanilla-friendly mechanics.
Compostable Bamboo
Makes bamboo compostable, just like in real life
Enchant Innovation
Transform enchantment mechanics! Items now gain XP through durability loss, using their OWN level for enchantments.
easier Villager
Improves villager trading by adding trade cycling, infinite trades, and easier interaction mechanics for a smoother survival experience.
Cobblemon BattlePlus
A server-side Cobblemon battle system mod for creating Battle Factory, Battle Tower, Battle Points, and configurable Trainer NPC battle content
Custom Areas
Take full control of your server! Custom Areas is a powerful, server-side mod that lets you create and manage protected zones through an intuitive, 100% GUI-based interface. Define granular rules with a powerful flag system, restrict area access wit
Disable Crop Trampling
A simple Fabric mod that prevents crops from being trampled when players or mobs jump on them.
Wise elytra
A server side mod to stop wasting rockets

Copper Age Backport
Make copper more useful with this simple backport mod (Fabric 1.21.1)
Cancel Block Update
Cancel block updates, block schedule ticks, random ticks, place validation, fluid schedule ticks, for building and debug use.
One Billion Things
All your suggestions, in one mod. More of a showcase than anything.
ShieldStatuses Enhanced + Punchy fix
unofficial addon for shieldstatuses + punchy compatibility fix
Campfire Buff
This Mod adds the regeneration effect to campfires
Aim Slow
An minecraft mod that slows down your sensitivity
c418only
Removes all non-c418 ambient music and remaps every music to point to c418's music.
Ashswagg's Stasis Rod
All this mod does is gives you the rod Ashswagg used to stasis his members into the void. Do /giveTeleportRod and pull a player with it to send them to the void.
End Fire
Serverside mod that adds purple fire for end stone blocks! Using polymer + resourcepack

MECHA - Multiple Entity Collision Hitboxes API
Fabric API for implementing multiple collider hitboxes for a single entity
SkyButtons
Utility mod for Hypixel Skyblock focusing on low-latency warp requests with a fancy new optional menu.
altcamera
Anyone who played Rust knows about the Freelock feature. This mod adds the same feature in first and third person.
Zones
Modern region management plugin/mod
Cave Born
Adds new ores, materials and powerful gear. Mine Bronze in the End, find rare Titanium in the Overworld, and craft Netherite Titanium equipment — the strongest in the game!
Beastly Buggers
This mod adds many kinds of insects and arachnids, as well as unique and rewarding loot. Increasing the challenge and excitement of exploring while still keeping the game vanilla-friendly is the primary focus here.
Hold Your Breath
When you go underwater in-game, you need to hold your breath in real life.
Range Hit Sounds 🔊
Plays a pling sound when hitting an entity at a configurable distance.
PolyPokémon
This mod allows players to disguise themselves as Pokémon from the Cobblemon mod and supports multiplayer.
Clutch
In some cases a clutch will be impossible. This mod shows whether a clutch is doable and how difficult it will be, alongside many other clutching utilities.
Don't Break My Lead!
Prevents boosting with a firework while gliding immediately breaking all of your leads in 1.21.6+.
Flourishing Fields
A Minecraft fabric mod about flowers and bees
Replant+
A lightweight and server-friendly mod that automatically replants crops the moment you harvest them.
Command alias maker
Allows you to create command aliases in game through a simple command and lets you run them instantly.
Heart Effects
This mod changes the texture of hearts depending on the effect!
Client-side Custom Music Disc Fix
A simple client-side mod that fixes MC-260346 where custom music discs are cut off if they exceed the vanilla length.
WynnSpells
A better spell macro mod for Wynncraft.
Graveyards & Ghosts
Adds graveyards to the world generation and optionally changes the respawn system so that players become ghosts when they die and respawn at the nearest graveyard.