Fabric Mods for Minecraft 1.21
Browse 1,482 free Fabric mods for Minecraft 1.21 — popular picks include Luish's Guns Crafting Add-on, Virtual Library, Eymistaken's HUD.
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Luish's Guns Crafting Add-on
Add-on for Luish's Guns that adds crafting recipes
Virtual Library
Virtual Library is a collection and api for building mods. it comes with mixins, a shader plugin, a keybind library, a config loader, a command library, an in memory plugin loader and a rendering library.
Eymistaken's HUD
A highly customizable PvP HUD featuring a Drag & Drop Layout Designer, CPS, Keystrokes, Reach, Armor HUD and Combo display.
TacZ Mesh Loader [TML]
This mod allows you to load mesh geo models created with the Meshy plugin into TacZ.
JsonPatcher
A tool for patching minecrafts json files, without overrding them, using a custom DSL
T88
A lib-mod by USS_Shenzhou
Brutal Nightmare Config Integration
Add global config menu for Brutal Nightmare
LimLib
library to simplify aspects of modding (like configurations, registration, commands, etc...)
FScript Lib
Library for adding scripting to a mod
NexusFrame
A server-side library mod adding Multiblock api with a custom preview!

Simple Animator
This is an animator lib for player
Rules4Worlds
A library mod for fabric mod developers that enables you to easily create world-specific gamerules.
toucanLib
Small shared multi-loader utility helpers for jvn's mods.
Open In Inventory
Open guidebooks, backpacks, handhelds and more with a single click in inventory
EasyUpgradeNetherite (EUN)
Add a crafting recipe to the netherite upgrade in Minecraft Java!
Nebula
Nebula is a Library for Spells and Mana. The Library is flexible and can be used for a lot of stuff.
BLib
A library that makes multi-loader mod development more streamlined.
FastXP+
A simple client-side optimization mod that allows you to throw XP bottles instantly and fast by just holding down the right-click.
Music and Melody
Comprehensive music overhaul powered by Albums, Playlists and Events, alongside a fitting soundtrack expansion and various music tweaks
SQLib
The easiest way to store data for all your minecraft needs!
Prism Mod Menu
✦ Prism Mod Menu Super Cool Animations ⚡
Exposure: Space
Astrophotography expansion for Exposure. Discover 200 real celestial objects and build your own space catalog.
Dark Matter [Library]
The invisible force that holds galaxies together
Better Fishing [Automatic]
An automatic fishing mod for Minecraft 1.21.8~ built on the Fabric framework.
GrosseSauceLib
A library for my mods
Dynamic Name Tags
Special names to mobs with name tag Easter eggs (jeb_, Dinnerbone etc.)
SeamlessLib
API for all my mods, makes it easier for other developers to implement and add onto my projects
Rib (Roanoke Library)
A collection of common code and tooling for Roanoke Development's mods
FishonMC-Extras
A simple mod to display helpful QOL HUDs on screen. Fan made for the play.fishonmc.net server.
TritiumConfiguration
A lightweight configuration library for multi-mod-loader platforms with multi-MC-version support, designed for new developers and those who want to streamline their workflow.
Abstract Operations
Json <-> NBT interchange library
GrieferGames CustomBlocks
Customblocks for GrieferGames and Bausucht Citybuild Server
Version't
A powerful java reflection layer and toolchain targeted at multi-version Minecraft Fabric modding

AriKeys
AriKeys is a client-side mod for Minecraft, which allows your client to receive and send keypresses between servers using the AriKeys plugin.
Wynnic Enchantments Helper
A helper mod for Wynnic Enchantments modpack
SDM Loot Stages
Create a step-by-step progression for loot tables!