Fabric Mods for Minecraft 1.21
Browse 249 free Fabric mods for Minecraft 1.21 — popular picks include Ponderer - 思索者, HeroBot, Grim Anticheat.
Updated daily
Ponderer - 思索者
Ponderer is an in-game Ponder authoring tool for players and modpack creators. You can build, edit, and iterate tutorial scenes directly in Minecraft without leaving the game or writing scripts first.
HeroBot
Framework for fabric based server side players (and extra helpful settings)
Grim Anticheat
Fully async, multithreaded, predictive, open source, 3.01 reach, 1.005 timer, 0.01% speed, 99.99% antikb, "bypassable" 1.8-1.21 anticheat
Data API
Tools to aid in datapack creation
Lootables
API for creating featureful loot rewards that go beyond item drops, and can be provided randomly or via loot box choice mechanics.

TNT Timer
Adds a timer above tnt which displays the time until it explodes.
PvP BOT
A mod for Minecraft Fabric that adds smart PvP bots
Inventory Tabs
Allows swapping to other in-world screens (blocks, entities, etc) via tabs. A fourth-generation rewrite of CakeWhip's InventoryTabs.
Complete Cobblemon Collection
The Largest Cobblemon Addon Pack that gives Models, Spawns and Animations for EVERY SINGLE POKEMON.
Lightning Grim Anticheat
Anticheat Perfected | 3.0005 reach | 99.999% antikb. Fork of GrimAC that's faster, with better reach checks, interact checks, and numerous bug fixes.
Texture Pack Folders (Like Recursive Resources)
Mod allows folders with packs in them to work, mainly for organization. (Like recursive resources)
Custom Guns
A fully customizable datapack & mod for Minecraft 1.20.5+ that features custom guns that fully integrate with the surrounding world. Anyone can make their own gun with a straightforward command setup.
Carpet mace fix
This mod fixes bug #2108 in the carpet mod.
Item Components
Change the default components for items! Server-side and data-driven, refreshes on /reload! (and does it properly)
Carpet crit fix
This mod fixes the problem where fake players don't perform critical hits
Break My Fall
Adds configurable features related to falling and fall damage like breaking snow on impact or taking fall damage in different water depths!
RPG Inventory
This mod adds new equipment slots and other mechanics found in popular RPGs.
Recipe Book Access API
An effortless Fabric API, enabling recipe-book crafting from customizable external inventories.
The Mighty Architectury
Architectury port of The Mighty Architect. Design elaborate buildings within a minute!
DragNSounds API
A simple API to upload custom sounds or music to the server and let them play in realtime to any player at any position without the need for a resourcepack.
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
Cloth Gamerules
Cloth Config replacement for the Gamerules Screen
VulkanDreno
Fixes VulkanMod crashes on Supported Adreno 7xx Android devices by improving Vulkan queue selection.
DreamMasaAddition
An add-on mod for Masa's mods, Tweakeroo, etc.
DLib
A library for all my mods.
Spell Engine Extension (RPG Series Tweaks)
Extends the mod 'Spell Engine' with additional functionality.
*NEW* VM computers
This project adds working computers as virtual machines in Minecraft, this is a fan made port of original VM computers by Delta2Force
Proximity
A simple Proximity Text chat mod/API
VR Jester API
Virtual Reality Gesture Recognition API for Vivecraft and QuestCraft

kiluho's Keystrokes
Worlds most advanced and user-customizable keystrokes mod
Cape Provider X (also PiCapes Mod)
Fork of Cape Provider Mod with upgrades by xsyanic and extended providers (PiCapes, Cosmetica, SkinMC, etc.)
Nebula
Nebula is a Library for Spells and Mana. The Library is flexible and can be used for a lot of stuff.
FastXP+
A simple client-side optimization mod that allows you to throw XP bottles instantly and fast by just holding down the right-click.
Prism Mod Menu
✦ Prism Mod Menu Super Cool Animations ⚡

AriKeys
AriKeys is a client-side mod for Minecraft, which allows your client to receive and send keypresses between servers using the AriKeys plugin.
AcornLib
An API with features to make modding easier, including new Components, Particles, Weapon Skins, and Supporter Perks.