Fabric Mods for Minecraft 1.21
Browse 31,727 free Fabric mods for Minecraft 1.21 — popular picks include ChallengeTimer, MECHA - Multiple Entity Collision Hitboxes API, SkiesSkins.
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ChallengeTimer
an advanced timer/stopwatch for challenges etc

MECHA - Multiple Entity Collision Hitboxes API
Fabric API for implementing multiple collider hitboxes for a single entity
SkiesSkins
A Fabric server-sided Skins mod for Cobblemon, allowing players to purchase, apply, and remove Skins through a managed system
The Schematic Index
An in-game catalogue of community schematics for Litematica: browse, filter by category, and download straight into your schematics folder.

Atomics Client
Atomics Client is a customizable Fabric PvP client that adds clean visuals, totem pop customization, combat overlays, stats tracking, and useful quality-of-life tools.
CyberHUD
Replaces Minecraft's vanilla HUD icons with clean sci-fi/cyberpunk status bars.
Sitrus Cobblemon - [MOBILE]
Sitrus Cobblemon Mobile Modpack
One Billion Things
All your suggestions, in one mod. More of a showcase than anything.
Vivecraft Animated and Shaded
Vivecraft preconfigured with Shaders and Animation mods/resources. Ready for VR.
Technically Optimized
Modified version of Fabulously Optimized catered to my personal preferences
MeteorDetect
Fully server-side mod that detects meteor client on the client.
Hydraulic Machinery
Turn pistons into industrial machines with hydraulic presses, automation, and configurable vanilla-friendly mechanics.
Packet Exception Logger
A simple Fabric mod to print out packet exceptions when they occur in client logs.
Turbo Craft Modpack
This modpack is specifically designed to improve Minecraft performance on low-End devices.It includes powerful mods like Sodium,lithium,Ferritecore,,and Starlight to speed up the game,increase FPS , and make the gameplay smoother
Ultra View
This modpack enables views like in the popular TikToks/Youtubes with Distant Horizions and Shaders with minimal performance impact.
Replant+
A lightweight and server-friendly mod that automatically replants crops the moment you harvest them.
Collect Items
This mod will automatically collect selected items
Dynamic Odyssey
Embark on a thrilling journey through a world with technological wonders, exploration opportunities, and bountiful farming adventures.
Mega Showdown Legendary Spawns
This datapack adds many legendary Pokémon spawns with the existing models that come with the Mega Showdown mod

More Ancient Debris!
Tweaks the world generation to generate around twice as much ancient debris as normal!
CosmicTextures
Hundreds of custom item textures to improve QOL and overall gameplay experience on CosmicPrisons and CosmicSky.
Yours Truly
Draw letters free-hand, doodle, share with other players, and hang them on the fridge!
Lunar Client Notifications
This mod intercepts closed-ecosystem network packets running on Lunar Client's proprietary Apollo protocol, dynamically decoding and rendering them safely into native, clean vanilla UI elements.
Hold F5
MCTiers-approved freelook/perspective alternative. Hold a key to temporarily switch to third person view, releases back to first person. Features smooth camera transition with configurable speed and optional motion blur.

Vertical Lunge
Allows the lunge enchantment to launch you vertically
Savaru's Affixology [Fabric/NeoForge]
An advanced RPG affix system that transforms weapons with rarity tiers, dynamic effects, and secret inscriptions.
easier Villager
Improves villager trading by adding trade cycling, infinite trades, and easier interaction mechanics for a smoother survival experience.
Droppable Spawn Eggs
This server-side mods makes it so that on rare occasions, mobs can drop their respective spawn eggs.
Cobblemon BattlePlus
A server-side Cobblemon battle system mod for creating Battle Factory, Battle Tower, Battle Points, and configurable Trainer NPC battle content
ultra optimization on vulkan
Ultra Optimization on Vulkan is a mod for low-end PCs, enhancing performance and ensuring smooth gameplay using the Vulkan API.
Smooth Animations
A ModPack that make Minecraft more pleasant to look at, this is the non-optimized version.
QuestCraft Performance Boost
QuestCraft Performance Boost is a lightweight Minecraft modpack designed to improve VR performance on the Meta Quest 3S/3/2. Featuring optimization mods like Sodium, Lithium, and FerriteCore, it delivers smoother gameplay with 60+ FPS.
Mojang Better Intro
A configurable animated startup and resource-pack loading screen for Minecraft!
Actions & Visuals
Vanilla friendly pack Inspired by Actions & Stuff that improves minecraft's visuals and animations making them feel vibrant.
Zones
Modern region management plugin/mod
Random Hotbar Select
Adds the ability to automatically select a random hostbarslot to create random block patterns. You can press the Keybind (default "k") to toggle this feature. If enabled it selects a random slot (0 - 9) on every item use (right click).