Fabric Mods for Minecraft Java
Browse 341 free Fabric mods for Minecraft Java — popular picks include RPGItemTweaksDefaultComponents, One Block To End All One Blocks, Questry.
Step by step: How to install Minecraft Java mods & modpacks
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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.
One Block To End All One Blocks
Quest-driven one block survival for Fabric 1.21.4. Break your block, earn drops, complete quests, advance through 6 phases. Multiplayer-ready with team islands and bridge merging. Requires Fabric API.

Questry
A quest mod driven entirely by datapacks and the server, letting you design custom questlines, chapters, and tasks.
Salt Squad(Cobblemon Pack)
Just a small pack for me and my friends. Though the main attraction here is Cobblemon + CM adons, other mods like the RPG Series, Farmer's Delight Refabricated, and Terralith are present, too. Lastly are some QoL/performance/decorative/dependency mods.
Soulcore
Soul-core is the common library/foundation of the Soul project. It provides the utilities, records, persistence, network, and public API that all other modules (combat, hitbox, mobs, render, etc.) will use.
GenericCodeLibrary
Contains the common code used in most of KSmc_brigade's client-side mods.
PlateauLib
common code that I often using when create new mods
CipherLib
A project containing common code across my mods
Mebahel's RPG - Resistance & Weakness
A lightweight and highly configurable combat framework that transforms Minecraft into a tactical experience by adding comprehensive physical (Slash, Pierce, Blunt) and elemental resistance and weakness systems to every mob.
RefinedLib
Common code library for "Refined Studios"-Projects
Chronicle: World Calendar
A fully customizable handheld calendar featuring configurable days, months, years, eras, and scheduled world events, all displayed through an immersive interface. Perfect for adding structure, organization, and immersion to survival worlds, RPGs, and multi
swrpgservauth
ShortWlfs RPG Framework, Custom Server Authentication Security Whitelist
Web Requests
Allows you to make get and post requests with commands

Chroma
A Collection of code commonly used in Nitron's heavily rendering focused mods.
SimpleCore by Cooshh
A shared core library for Simple mods, providing common systems like economy support and shared utilities.

Qommons
Common library for mods by QORG
Zurtrutium Lib
Common Library for Zurtrutium Modding
Cassetu's Common Library - CBCommon
Shared config registry and settings screen used by Cassetu's Better mods.
InterdimensionalLib
Seamless mix of common utilities, systems and presets
Flint Quests
This project is a free-to-use questing system built for Project Flint, but made accessible with a nice-to-use API for mods to hook into, and an easy dev editor.
Vice_cll84's Quests Mod
Add images,buttons,missions to your custom quests lines
Elemental Magic Foundation Mod (26.2) – Level Up Your Bending Skills
Elemental Magic Foundation Mod provides the core framework and energy systems for the Fractal Bending series. It sets up Chi pools, stat trees, and level progression for elemental bending powers across your worlds. The mod handles character data sync between clients and servers while serving as the base for Water, Earth, Fire, and Air bending […]
Kirin UI Mod (26.3, 1.20.1) – Making Minecraft Screens More Easily
Kirin UI Mod is a GUI Library for help with making Minecraft screens more easily. Embedded common code used across several Mine Little Pony projects to create their GUIs. Kirin UI Mod Download Links
Smoothiez Api Mod (1.21.11) – Run Compatible Add-Ons Without Any Conflicts
Smoothiez Api Mod supplies core shared code and backend utilities for compatible mods. It acts as a base library that provides common game logic across connected projects. This mod keeps mod files structured and helps dependent mods run together properly. Features: Provides shared code and base utilities across compatible mods. Supplies common logic to keep […]
AzureLib Armor Mod (26.3, 1.20.1) – Streamlined Version of AzureLib
Armor Mod is a stripped-down version of AzureLib, designed solely to provide GeoArmor/GeoItem functionality in a separate library. All armor creation steps are the same as when crafting AzureLibs armor. Required for: Witcher (More RPG Classes). Features: Enables advanced armor animations and rendering. Functions independently from the full AzureLib framework. AzureLib Armor Mod Download Links
Obsidian Weave Mod (26.1.2, 1.20.1) – Run Your Favorite Add-ons with Shared Code
Obsidian Weave Mod provides shared code and core tools for compatible mods to run properly. It helps reduce file sizes by holding common code in one place rather than repeating it across multiple add-ons. This core library also handles essential background tasks across different mod loaders like Fabric, Quilt, and Forge. Features: Holds shared code […]
Voidless Framework Mod (1.21.8, 1.20.1) – Shared Resources for Connected Mod
Voidless Framework Mod supplies shared assets and core resources for connected Minecraft projects. This mod prevents asset duplication across different add-ons by storing common items like alloys and cans in one central location. It serves as an essential base dependency that allows related mods to run properly in your game. Features: Provides shared base assets […]
CodxLib Mod (26.2, 1.20.1) – Keep Every Codx Addon Running in Your World
CodxLib Mod provides shared code and platform services for mods in the Codx collection. It stores common multiloader files and update checkers in one central location. Players need this mod in their mods folder to run any mod built on the Codx framework. It works silently in the background so all related mods load properly […]
EpheroLib Mod (26.2, 1.20.1) – Library for Thethonk's Mods
EpheroLib Mod is a technical library by thethonk. It includes various features and developments aimed at simplifying and speeding up mod creation. The mod itself does not add anything to the game. Features: Includes configurate, to be used on fabric and forge to allow for a common config system. (From Croptopia) Includes a method of […]
BoxLib Mod (26.2, 1.20.1) – Boost Mod Compatibility With BoxLib
BoxLib Mod is a lightweight utility library mod for Minecraft, designed to assist mod developers by providing a collection of commonly used utilities and functions. This library aims to streamline the development process by reducing redundant code, offering optimized tools and solutions that can be implemented across multiple mods. Features: Config GUI Handler Config file […]
M.R.U Mod (26.2, 1.20.1) – Mineblock's Repeated Utilities
M.R.U Mod (minelib – Mineblock's Repeated Utilities) is a technical mod created by itsmineblock11. It is used in their own mods to streamline and simplify the development of multiple projects by centralizing common code in this library. For regular players, the mod is not useful, but it must be installed alongside another mod that requires […]
Amber Lib Mod (26.2, 1.20.1) – Library for Iamkaf's Mods
Amber Lib Mod is a library of commonly used functionality for iamkaf's mods. Amber Lib Mod Download Links
MossyLib Mod (26.2, 1.20.1) – Library for LopyTwich's Mods
MossyLib Mod is a simple library that has all the common code for LopyTwich's Mods. Features: Special YACL theme for LopyTwich's Mods. Utilities. Ready-made multi-versioned & multi-loadered code. MossyLib Mod Download Links
UniLib Mod (26.2, 1.20.1) – A Common Set of Utilities
UniLib Mod is a handy tool that helps other Minecraft mods work better across more than 50 different versions of the game! It includes special tools to make things like graphics, updates, and translations easier for mod developers. Originally part of CraftPresence, it’s now a powerful library used in many mods. Features: Works with over […]
Collective Library (26.2, 1.20.1) – Library for Serilum's Mods
Collective Library is a shared library with common code for all of Serilum's mods. It also optimises multiple mods using the same event by combining them. Collective Library Download Links
StrawberryLib Mod (26.2, 1.21.11) – Library for MoriyaShiine's Mods
StrawberryLib Mod is a silly common code library for MoriyaShiine's Mods. Screenshots: Supporter options: In the bottom left box, options for supporters exist StrawberryLib Mod Download Links