Fabric Mods for Minecraft 1.21
Browse 31,660 free Fabric mods for Minecraft 1.21 — popular picks include TickShield, MCAPIBridge, Cobblemon Amore.
Step by step: How to install Minecraft Java mods & modpacks
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TickShield
Prevents lag spikes and TPS drops by stabilizing heavy workloads without changing vanilla behavior.
MCAPIBridge
Bridges Minecraft API to external programs, allowing remote control and automation of the game.Now support Python,C#,Dart.More languages will be added.
Cobblemon Amore
ESP - Mi acercamiento a la experiencia definitiva de cobblemon. EN - My Approach to the ultimate Cobblemon experience.
HideSpectators
Hide Spectators from Tab

Mega Gardevoir's SMP
The cobblemon content-filled modpack for the Mega Gardevoir's SMP server.
Clue Scroll HUD for Vulengate
📜 A lightweight HUD mod for the Vulengate Minecraft server that displays clue scroll objectives and progress.
Random Potion Effect
Give you all x minuted a random Potion effect. You can manually setup the time.
Bushier Flowers Continuation
Bushier Flowers: Farm Flowers & Dyes Or Make Bouquets! [Fabric]
Goofy Meme Paintings
A mod that adds your favorite memes to paintings in Minecraft

Sandblast
Make glass in a blast furnace!
RJ's Offline Server Skins
Make offline servers assign player skins from custom URLs each relog, and let clients load unauthenticated skins.
Opaque
Build with glass like it’s a box of coloured candy. Opaque adds a full set of glass building parts in every vanilla glass color (plus clear): doors, trapdoors, fences, fence gates, and stairs. They look airy light and bright
Thief Monkey
This mod adds sneaky Thief Monkeys that steal your items!
LOWENDCRAFT
Lightweight Minecraft 1.21.5 modpack for low-end PCs — adds animations, new structures, challenges, animals, skills, and constant updates with fresh content.
Sherm's Quality of Life
A small, lightweight modpack with useful client-side mods.
Actually Vanilla
A modpack that improves Performance, Audio, Utility, and Visuals without losing the vanilla experience by only using client-side mods.
Emi's SMP Modpack
A performance-enhancing modpack with a plethora of fair-play QOL plugins, tailored for use on SMP servers.
Superior Pack : Starter Edition [FABRIC]
Discover Minecraft at your own pace. Enjoy an enhanced experience without modifying the game with Fabric !
Fenix Frames
Minecraft with some frames and Resolution/effects mod coop that can reach more than 1000+ frames
Command: Chorus
Use the /chorus command to teleport entities randomly like a chorus fruit.
Ununennium
Ununennium, a future optimisation, like the placeholder element.
ImWhy's modpack
A simple mod pack from me that will provide comfort for your game.
Axopupel Beauty Optimization
Beauty and optimization for playing on the server
Door Closer
This mods makes doors close on their own when placed above an iron or gold block.
VaporMC SMP
A mod pack for SMP servers with 75 mods. It optimizes performance, enriches audiovisuals with shaders, and enhances combat and exploration. Join a harmonious multiplayer community where Minecraft's world becomes a captivating canvas of possibilities.
ArrowsAlwaysLitThroughFire / NewerCrossbowCarting
Enables 1.21.4+ crossbow carting in older versions by modifying older arrow behavior, making sure arrows are ignited through fire and lava so they ignite TNT minecarts behind.
Sanity System – Psychological Survival
A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.
LoverMods
LoverMods is a utility mod for Lovercraft dedicated to making the server more together. The mod features farming, skin trading and other misc changes.

Lemon Tree
A simple mod about citrus fruits
Survival Remaigned
This Modpack will make your survival world, with Vanilla+ Mods, even better.
BlossomBridge API
A small API for Tywrap Studios Mods, that adds a few minor things.
Teleport Sign
The Teleport mod is a server-side mod that allows players to link two signs and teleport between them. It is designed for use on multiplayer servers and allows administrators to configure and manage teleport links.
Creator Toolkit
A Toolkit of mods primarily focused on Creators but with QoL for anyone.
Quickskin
Toggle skin settings with a keybind
kts-system
Client bank system for minecraft servers Client side mod for create ecosystem on private minecraft servers
NiceBowl
Adds a single item: the NiceBowl, to the game.