Fabric Mods for Minecraft 1.21
Browse 31,671 free Fabric mods for Minecraft 1.21 — popular picks include JJElytraSwap, NiceMod - New blocks, Firorize.
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JJElytraSwap
Mod that swaps elytra and chestplate when required
NiceMod - New blocks
A mod for Fabric that adds new decorative and building blocks
Firorize
This client side mod allows full color customization over fire, depending on the biome it's in, or even the block it's on! There is also a fire height slider to shrink that large overlay. Also, it fixes the bug where soul fire did not have a blue overlay!
i Wanna Travel ~ Structure [Forge|Fabric|NeoForge|Quilt]
structure, structure, beautiful world!!!
Distorted Discs
Adds 50+ new music discs that can be found throughout your world. Vanilla Style. Music by BBoldt.

PvP
The best modpack for crystal, sword and axe PvP. Having a huge focus on game performance.
Noisiumed
A performance-focused fork of Noisium that accelerates Minecraft's terrain generation through targeted optimizations. Generates chunks faster without altering world output.
Stardew Valley Food
Cook and enjoy your favorite Stardew Valley meals in Minecraft.
Cobblemon Shiny Days
Choose days of the week to increase shiny odds for either all Pokémon or specific Pokémon, giving your server events similar to Community Days in Pokémon GO.
MMR - Moog's Mineshafts Reimagined
Large and complex mineshafts themed for various biomes and dimensions. Filled with loot and mobs
Content Creator Server Status
The status mod used on the Hermitcraft server.
Enriched
Enhancements and vanilla-esque additions such as new Tool, Weapon & Armor Materiels, Biomes, Trees, and more.
Copper Age Backport Durability Fix
Fixes the (lack of) durability in Copper Age Backport armor
Custom Biome Saplings
Allows Terralith and Blooming Biosphere trees to be regrown using vanilla saplings
AFKStatus
A simple QOL, Utility command for afk detection
Not Just Sandwich
It’s more than Just a Sandwich
Custom Hitboxes
A complete overhaul of Minecraft's hitboxes
Simple Hardcore Respawn
This mod allows you to respawn other players in Hardcore mode, at the cost of totem of undying.
DiosesMC - Official
Minecraft complete modpack for a visually beautiful survival
Villager Clock Tower
Adds a Villager Clock Tower with unique rooms and a challenging parkour passage.
Rechiseled: Applied Energistics 2
Allows autocrafting blocks from Rechiseled with AE2!
Immersive Water
Improves Minecraft's water with subtle particle effects.

The Ultimate PvP Modpack
The Ultimate Modpack for Minecraft Combat. Many useful mods such as Inventory Hud+ and Apple Skin to indicate your saturation; an important feature in Combat Situations.
Cobblemon PocketSMP Badges
Custom Cobblemon Badges for the PocketSMP
Cobblemon Updated Enhanced
This mod is designed for Cobblemon modpacks to help improve the Cobblemon experience in multi server setups.
Tree Physics
Cutting down Trees causes them to fall realistically, thanks to Sable's Physics.
Wither Cage Fix
Fixes vanilla bug where withers forget their targets. Can also prevent blue skulls.
Simple Musket
Adds a musket with exclusive enchantments and ammo types.
Him
From the Far Lands of Alpha v1.0.16_02, he's returned.
Indicatia
Simple and lightweight in-game info and utilities!
Ore Plus (Legacy)
This datapack incresses vanilla ores generation in Minecraft by adding custom configurations for the Vanilla Ores, making them generate more frequently.

Litemoretica
Adds features and fixes to the Litematica mod.
DamageSource Is Not Null Plus
An attempt to fix "NullPointerException: LivingDeathEvent.getSource() is null"
Slot Customization API
A small API for mods to dynamically change inventory slot positions and enable/disable them.
Golden Apple Tree
Add a tree which can grow golden apple.
Lovely Robot: Reboot
This mod is a reboot that adds several robots girl to Minecraft as an assistant in battles with various functionalities.