Fabric Mods for Minecraft 1.21
Browse 29 free Fabric mods for Minecraft 1.21 — popular picks include Break My Fall, Piglin Conservatory v3.0, Spell Engine Extension (RPG Series Tweaks).
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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!
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!
Spell Engine Extension (RPG Series Tweaks)
Extends the mod 'Spell Engine' with additional functionality.
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.
Health Enchantment
New enchantment that, when applied to armor, lets you get more health.
Coblemon:Expierence Boost
ExperienceBoost — Global XP & Shiny Boosts for Server Events with OP-Controlled Items! ExperienceBoost lets server admins easily trigger temporary global XP multipliers across the entire server—perfect for events, celebrations, or special gameplay moments

PowerChord
A component-driven RPG instrument system - you know, hunting-horn-likes!
Jump Enchantment
New enchantment that, when applied to boots, increases your jump height!
ManualTotem
A simple mod that helps with manual totem placement by automatically moving your cursor to a totem when you open your inventory.
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.

Soul Gathering
Adds the Soul Gathering mechanic from MC Dungeons
Big Items API
A really simple library that allows developers to make items take up more inventory slots.
midi
A lightweight Minecraft mod for sending MIDI-like actions from the client to the server via custom plugin messages.
G1axFixer
G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.
Durability Damage Recipe
A mod adding 2 new crafting recipe types that damage damageable input items instead of consuming them during crafting. These recipe types are ready to use in your mod or data pack!
Auto Logout
A mod that automatically kicks yourself from server once a player gets in range of blocks that u set, allows u to afk farm and play safe.
APEL
Apel stands for Animative Particle Engine Library and is used for complex particle animations, all without the need to major in linear algebra. It provides a straightforward interface and rich in documentation for developers.
Mentalitys | Custom Enchants
Custom fabric enchantments for 1.20.1, 1.21.1 & 1.21.11.

PlayerSettingChanger
PlayerSettingChanger lets you customize how online players look, sound, and appear on your client with per-player nicknames, skin URL overrides, voice mutes, and a premium themed GUI.
Sound Manager
This is the mod for usually used for muting or changing the voice of the mobs,blocks or generall things like death, fall damage , hit etc. You can edit them customly see images for more info
BDEngineImport
A Packet-based Import Library for the BDEngine editor
Spell Lib
Adds a bunch of spells for other projects to use, with customization. Makes projects that want to add spells easier to make, with any casting system.
riamphur
A Minecraft mod that provides various utility items and code for other mods to build upon. Helper mod for getting souls from entities.
FPSWizard
A simple setup wizard that guides players through Minecraft settings that can improve FPS and performance.
InstaKeystrokes
A clean and customizable keystrokes HUD mod for Fabric 1.21.4 with draggable UI, color customization, and a modern design.
ManaMod Nixsas
Requires Minecraft 1.21.1, Fabric API 1.21.1 and Fabric Installer of version. Mana System added, Ice/Lava Mana Upgrade, Swords, Armor, Bar's, Main R ability that enables you to walk on water or lava, special Sword ability's and much more, join discord.
Claude Code: Rate Limited
A Fabric mod for Minecraft 1.21.1 that adds Claude Code enchantments, token limits, rate limiting, item recovery, loot-based enchanted books, achievements, and the Claude Terminal.