Fabric Mods for Minecraft 1.21
Browse 1,482 free Fabric mods for Minecraft 1.21 — popular picks include Kaboom Library, Kit Manager, SpyHITW-Mod.
Updated daily
Kaboom Library
A fabric library that i use for my mods
Kit Manager
A Datapack that lets you save your inventory into a kit to then load it later down the line!
SpyHITW-Mod
A client side dependency mod, to render walls of hole in the wall and calculate physics.
Two-Dimensional Foil
A mod that adds a two-dimensional foil weapon from The Three-Body Problem. Drop it to collapse blocks and creatures into an irreversible, mirror-like 2D plane within a configurable radius. Requires Fabric API.
InterdimensionalLib
Seamless mix of common utilities, systems and presets
Spell Renderer
A fast, lightweight OpenGL wrapper for Minecraft, designed for rendering 2D objects with a clean, fluent API.
Modins
Modins is a mod for mod development; it copies mods currently loaded in Fabric memory. This helps identify which mod might be causing crashes, allowing you to fix the issue or submit a report to the mod creator.
CobbleFight
A dedicated ELO Battle system for Cobblemon
Zurtrutium Lib
Common Library for Zurtrutium Modding
Maykesh's Server Observability Framework
A comprehensive server observability framework for Minecraft 1.21. Monitor tick timings, entity updates, chunk loading, network packets, and more with minimal overhead. Perfect for debugging, optimization, and rate-limiting systems.
RPGItemTweaksDefaultComponents
This is a rider datapack specificly for default components mod, rebalancing the RPG series mods and the ice and fire dragonsteel weapons, for my combat modpack.
Metrognome
Plays MIDI files on the in-game instruments from the Instruments spigot plugin by Cup0fCode. Pick a .mid, adjust it until it sounds right, then save it to a library you can play from later.
Wathe Murder Mystery Mod (1.21.1) – Design for A Social Deduction Game
Wathe Murder Mystery Mod is the core gameplay mod used for the Last Voyage of the Harpy Express experience. It provides the systems required to run a multiplayer murder mystery game inside Minecraft. Features: Provides a framework for multiplayer murder mystery social games. Handles the core systems required for gameplay: Role assignment Round management Game […]
Navas ZA Megas Mod (1.21.1, 1.21) – 45 Mega Evolutions For Cobblemon
Navas ZA Megas Mod adds all Mega Evolutions from Pokémon Legends ZA into Minecraft, with 45 Megas included. It designed to integrate, but must not be mixed with other Mega packs to avoid conflicts. Features: Adds 45 Mega Pokémon, all Megas from Pokémon Legends ZA, including DLC. Works only with the Mega Showdown Data framework. […]
Cobblemon Tim Core Mod (1.21.1, 1.21) – Essential Library For Pokemon Modding
Cobblemon Tim Core Mod serves as a shared codebase to reduce code duplication across the developer's Cobblemon-related mods, providing common utilities, fixes, and extensions. It's essential for modpacks using multiple "Tim" Cobblemon addons, ensuring consistent behavior and performance. Features: Base classes for mod structure and config handling. Simplified config creation with overridable settings. Tools for […]
Cloth Gamerules Mod (1.21.11, 1.20.1) – Search Functionality
Cloth Gamerules Mod reimagines the gamerules menu in Minecraft using the Cloth Config API. It offers new tools for managing game rules. Features: Easily find gamerules by their name or key. Convenient reset button for each rule to restore defaults. Filter gamerules by mods for better organization. Screenshots: Cloth Gamerules Mod Download Links For Minecraft […]
Haybale Mod (1.21.8, 1.20.1) – Registration, Networking, And Platform Services
Haybale Mod is a multiloader library mod designed to provide shared systems used across the author’s other Minecraft mods. Features: Designed specifically for multiloader mod development Annotation-based registration for entities, items, particles, and sounds Built-in packet system for networking Entity capability system support Platform-sided services such as server scheduling utilities Haybale Mod Download Links For […]
MaLiLib Update Port Mod (1.21.11, 1.21.1) – Essential Mod Support
MaLiLib Update Port Mod provides shared systems such as keybind handling, configuration menus, GUI rendering, and utility functions. Features: Required library for mods like Litematica. Handles config menus, keybindings, GUI screens, and more. Originally made for LiteLoader, now ported for Fabric and modern MC. MaLiLib Update Port Mod Download Links For Minecraft 1.21.11 Fabric version: […]
Tweakeroo Update Port Mod (1.21.11, 1.21.1) – More Control, Better Building
Tweakeroo Update Port Mod is a versatile client-side mod packed with quality-of-life tweaks. From Accurate Block Placement to Free Camera and Gamma Override, this mod gives you fine-grained control over your gameplay. Features: Popular tweaks include: Hand Restock. Flexible/Accurate Block Placement. Fast Click (left/right) Gamma Override (see in the dark) Free Camera mode. Fully client-side; […]
Strawberry Lib Mod (1.21.11, 1.21.5) – Common Code Library
Strawberry Lib Mod is a library mod developed by the popular mod developer Moriya Shiine. Many of the mods created by this developer require Strawberry Lib to be installed alongside them. As a library, the mod by itself does not introduce any new content into the game, but it facilitates an environment that makes mod […]
FokusAPI Mod (1.21.11, 1.20.1) – Library For ScadeBlock’s Mod
FokusAPI Mod is a library mod developed by the popular mod developer ScadeBlock. As a library mod, the mod by itself does not add any new content into the game, but it is required as a dependency mod by many of the mods developed by ScadeBlock. Many of the datapacks developed by ScadeBlock also require […]
Combat Plus Core Mod (1.21.11, 1.20.1) – Compatibility Layer for The Combat Plus Series
Enter the realm of boundless combat possibilities with Combat Plus Core Mod, the essential library mod and compatibility layer that serves as the backbone of the Combat+ series. Designed to seamlessly integrate with a myriad of other mods, this core library facilitates an unparalleled level of inter-mod compatibility, ensuring that any mod utilizing its utilities […]
Configurable Mod (1.21.11, 1.20.1) – Decentralised Settings in a Mod
Configurable Mod is a compile/runtime config library that allows config settings to be decentralised, centralised or a combination of both if you like. The premise behind Configurable is everything is done for you, so all you need to worry about is what you want to configure. Features: The configurable.properties file tells Configurable what name the […]
MaLiLib Community Updated Mod (1.21.11, 1.21.3) – Configuration And GUI Library
MaLiLib Community Updated Mod is a community-maintained continuation of MaLiLib, a library mod that provides shared client-side code for Masa’s mods. It includes configuration systems, keybind handling, GUI components, and general utilities, allowing dependent mods to remain functional through community updates distributed via CurseForge. Features: Provides shared client-side code used by Masa’s mods Includes configuration […]
E-Utils Mod (1.21.11, 1.20.1) – Utility Library For Fabric Mod Development
E-Utils Mod focuses on configuration management, command registration, and inventory-based GUI creation, offering structured APIs and runtime features intended to reduce boilerplate and simplify ongoing mod maintenance. Features: Provides JSONC-based configuration management with comment support Supports automatic config migration, backups, and runtime hot reloading Offersype-safe configuration handling using Kotlin data classes Includes a fluent command […]
Polymer Patch For Farmer's Delight Mod (1.21.11) – Helps Make Farmer’s Delight Work Fully Server-Side
Polymer is a library mod that assists with server side content. It helps players enjoy modded content server-side without having to install mods on the client side. Polymer Patch For Farmer's Delight Mod basically allows servers to run the Farmer's Delight mod on the server side, so that players can enjoy it without having to […]
Enchanted Bookshelves Mod (1.21.11, 1.21.1) – Make Your Library Sparkle
Enchanted Bookshelves Mod adds a subtle shimmering visual effect to enchanted books placed inside chiseled bookshelves. Features: Adds glowing visual effects to enchanted books in chiseled bookshelves. Cosmetic only. Requires both server and client to display the effect. Screenshots: Enchanted Bookshelves Mod Download Links For Minecraft 1.21.11 Fabric version: Download from Server 1 – Download […]
Sketch Mod (1.21.1, 1.20.6) – Unlocks Custom Boats and Animations
Sketch Mod provides a collection of tools and APIs for other mods to use. As a library mod, it helps with creating things like custom configuration files and new animations for mobs. The mod also adds special events for shield blocking and a system for making new boat types. Features: Config API: Gives other mods […]
MagicLib Mod (1.21.10, 1.20.1) – To Beat Magic with Magic
MagicLib Mod is a library of versatile mod dependencies. Features: Compat API Supports multi-version compatibility for Minecraft 1.14+ on Fabric Loader. Provides compatibility APIs that abstract differences between Minecraft versions. Allows developers to reuse the same code across multiple MC versions, reducing the impact of Mojang’s internal changes. Dependency Check Includes a dependency checking system […]
Datapackets Functions LIB Mod (1.21.10, 1.20.1) – Library Dependency Mod
Datapackets Functions LIB Mod is a library mod that is required to be installed by the player if any of the mods they use require it as a dependency. The mod provides developers with some useful functions and is compatible with all versions of Minecraft. The mod by itself does not introduce any new content […]
Zigy's Player Animator API Mod (1.21.1, 1.20.1) – Bring Your Player to Life
Zigy's Player Animator API Mod helps other mods play custom animations for your character. This is a library mod, which means it doesn't add any animations by itself. Instead, it gives other modders the tools they need to make their own animations work in the game from both the server and client side. Features: Acts […]
Kev's Library Mod (1.21.1, 1.20.1) – The Foundational Cornerstone for Kev's Mods
Kev's Library Mod is the foundational cornerstone for all of Kev's mods. While it doesn't do much on its own, it provides essential functionalities and integrations that other mods can depend on, reducing hard dependencies across all of Kev's mods. Some mods that use Kev's Library: Kev's TieredZ Modifiers, Exploria, Kev's Equipment Sets, Kev's TieredZ […]
Chunk Activity Tracker Mod (1.21.1, 1.20.1) – See Your Server's Hotspots
Chunk Activity Tracker Mod tracks player activity within each chunk of the world. It records details like how long players stay in an area and how many blocks they place. This mod is a library, meaning it works in the background to provide tools for other mod developers and doesn't add gameplay features on its […]
CarrasconLib Mod (1.21.1, 1.20.1) – The Key to Running New Mods
CarrasconLib Mod provides a shared set of tools that other mods need to work correctly. It is a library mod that organizes common code, helping other additions run smoothly. You will need to install this mod for other specific mods to function in the game. Features: Acts as a shared library, providing common tools for […]
Creo API Mod (1.21.1, 1.20.1) – Library API For Mod/Datapack Development
Creo API Mod is a multi-purpose API for Minecraft mod/datapack development. It addresses three main issues that are not acknowledged by other APIs. A list of features, as noted on the official page, is given below. Features: Over 50 new Block, Item, Entity Type, Enchantment, & Biome tags. Expanded version of BlockSettings & ItemSettings for […]
ShadowHunter22's Config Library Mod (1.21.4, 1.20.1) – Library For ShadowHunter22's Mods
ShadowHunter22's Config Library Mod is a library mod created by the popular mod developer ShadowHunter22. As a library mod, the mod by itself does not add anything new to the game, but is required as a dependency by other mods. The mod basically facilitates an environment that makes development more convenient for the developer. Features: […]