Fabric Mods for Minecraft 1.21
Browse 24,909 free Fabric mods for Minecraft 1.21 — popular picks include Easy NPC: Config UI, Amethyst Equipment, MC Dungeons Enchanting.
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Easy NPC: Config UI
Provides a configuration UI for the Easy NPC mod, allowing players to customize NPC settings easily.
Amethyst Equipment
amethyst tools and armor, horse armor as well

MC Dungeons Enchanting
Brings the Enchanting system from Minecraft Dungeons to Minecraft

Chalk: Colorful Addon
Colorful Chalk for the Chalk mod
Your Reputation (Jade)
A Jade plugin that displays your reputation on the villagers' tooltips.
YDM's CopperGolem
Adds the copper golem to your game
Chest Tracker
Remember where you've put items.

Flow
Configurable ease in-out inventory UI transitions.
Current Game Music Track
🎵 [Client] Temporarily show the song title of what's currently playing via the GUI.
Vanity: Core
Apply any look you want to your items, and make your own Vanity Packs to share with the world.
Improved Grindstone
Disenchant and transfer enchantments using a grindstone.

Tiers
Official tiertagger mod for PvPTiers
Yuushya Modelling
Added several tools to move, rotate or resize blocks like doing 3D modeling
LNE Archers Add-On
Loot & Explore Add-On with Archers (RPG-Series ) related Content, like new Structures, Weapons etc.
Mace Variants (RPG Theme)
RPG variants of the mace with unique special effects and abilities
Ember's Floating Islands
These fantasy-themed Floating Islands will add a whole new layer of exploration - to the sky!

StutterFix
Reduce stuttering when generating new chunks
Mining Dimensions [FABRIC]
Provides a several extra dimensions for gathering resources & exploring
Dio's Lib
Companion mod required by all mods created by AlasDiablo.
Durability Tweaks (RPG Tweaks)
Reduces durability loss of equipment.
RPG Potions – 8 New Potions
More Potions! New potions designed for PvP combat, adding tactical depth and strategic variety, although its effects are also useful in many other game situations beyond combat.
Tensura: Mysticism - Tensura: Reincarnated
Tensura: Mysticism is an add-on for Tensura: Reincarnated, featuring new races and skills to enhance your overall experience!
Peaceful Moon
An add-on for Enhanced Celestials that adds a Peaceful Moon

Lithosphere
Lithosphere aims to change the overworld worldgen to be more cinematic, polished and beautiful.
Hunger Tweaks (RPG Tweaks)
Reduces exhaust, but also natural regeneration.
Cobblemon Updated - Includes Every Pokemon!
The Best Cobblemon Modpack!Includes every Pokemon

Recursive Resources
Enhances the Resource Pack menu with folder support.
Attribute Setter
A lightweight mod that changes entities' and items' default attributes through datapacks
No More Pop-ups
A Minecraft mod to remove in-game pop-ups
Provi's Health Bars
Adds sleek and expansive health bars / damage indicators.
Tiny Paper Origin - Origins Addon
A small sized origin based on paper for the Origins mod.

Fresh & Smooth
Making Minecraft As Animated, and As Fresh As possible while remaining fully client-based (similar to Actions & Stuff pack)
AutoFish for Everyone
A fully client-side mod for you to AFK fish!

Xaero's Minimap (Fair-Play)
Fair-play edition of the Xaero's Minimap mod, designed for fair PVP against players without a minimap.
Countered's Terrain Slabs
A mod designed to enhance world generation and elevate the gameplay experience by smoothing out terrain with custom slabs, making exploration more seamless!
Villager API
An API to add custom villager professions and villager biome types with custom trades without writing code.