RPG Mods for Minecraft Java
Browse 51 free RPG mods for Minecraft Java — popular picks include InsaneLib, UniLib, Framework (Fabric).
Updated daily
InsaneLib
A set of common classes and utilities used by Insane's mods
UniLib
A common set of Utilities, designed for over 50 versions of Minecraft!
Framework (Fabric)
A library providing powerful utilities and common code for developers
Looot
Random item name generators and other loot table utilities
World Weaver
A Fabric utility mod that aims to streamline common modding tasks, particularly those related to world creation. As a successor to BCLib, WoVer is intended to eventually take its place.
Rikmulds Core Mod
API of common utilities
LambdaLib
A common library that provides many modding utilities.
Enchant Limiter (RPG Tweaks)
Limit the number of enchantments on an item.
Spell Engine Extension (RPG Series Tweaks)
Extends the mod 'Spell Engine' with additional functionality.

Alexandria Lib
Alexandria is a lightweight Minecraft library mod that provides shared utilities and a common foundation for other mods. It doesn’t add gameplay on its own but serves as a core dependency to make mods easier to build and maintain.
fweigel-util-lib
Shared client-side utility library for my Fabric mods. Provides common rendering, storage, UI, and sound utilities.
AuroraLib
Base plugin for every Aurora project. Provides common utilities and functions.
DillonLib
API that provides platform abstraction, mixin management, configuration systems, factories, and other common modding utilities.
CNPC-XaeroMiniMap-addon
CNPC-Xmm-addon
Nexus API
Bulk of common platform-agnostic utilities aimed at reducing boilerplate/compatibility issues, thereby streamlining mod development on MultiLoader and other platforms.
ModUtilities
This is just a utilities mod that contains some common sources. This mod is only needed for the Quilt platform since it does not include the jar inside the mod which uses this dependency
Visually Optimized
A collage of vibrant cultures, seasons with the serenity mod, optimisations with sodium and libraries along with inbuilt library to search between and surf through Modrinth from inside Minecraft. Now with a little tweaks in name and other stuff.
AbstractedUtilities
An API that provides common utilities for Minecraft Fabric 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.
SimpleCore by Cooshh
A shared core library for Simple mods, providing common systems like economy support and shared utilities.
Speakeasy Utilities
A shared library providing common systems, utilities, and APIs for the Speakeasy mod collection.
VeloraEngine
Lightweight Paper engine library for Velora plugins, providing shared utilities, command tools, config helpers, and common platform integrations.
InterdimensionalLib
Seamless mix of common utilities, systems and presets
Aaron Mod (1.21.1, 1.20.1) – Code Library
Aaron Mod is a library mod created by the developer Aaron that provides shared code for many of their other mods. This mod reduces duplicated code across multiple projects by including common utilities and helpers in one place. Aaron is not a standalone mod – it's a required dependency that other mods use to function […]
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 […]
Prominent Talents Mod (1.20.1, 1.20) – RPG Talent Tree Utilities
Prominent Talents Mod provides utility functions and assets for the Prominence II RPG talent tree system. It includes power level calculations and supporting features, serving as a dependency for Prominence-related modpacks. Features: Add assets and utilities to support the Prominence II RPG talent tree system. Include power level calculation and miscellaneous functions for gameplay balance. […]
BjornLib Mod (1.21.1, 1.20.1) – Core Library For Mob And Effects
BjornLib Mod is a core library mod by FuriusMaximus, providing shared functionality for several of their mods, such as Dragon Mounts: More Dragons. It includes useful utilities and systems designed to streamline gameplay enhancements. Features: Ability Registry and custom ability events Particle Builder with magic-style glowing effects Lightning Builder for custom lightning visuals Leveling Builder […]
Chimeric Lib Mod (1.21.5, 1.21.1) – Shared Library With Common Code
Chimeric Lib Mod is a shared library mod developed by chimericdream, designed to provide common code and utilities for their suite of Minecraft mods. It is essential for ensuring consistency and ease of maintenance across various Minecraft versions. Features: Provides registry and data generation helpers for mod elements Includes color utilities for managing dyes and […]
Stonecutter Tweaks Mod (1.16.5, 1.15.2) – Fixes a Stonecutter Bug
Stonecutter Tweaks Mod addresses a common issue with stonecutters, where they don't remember the last item you crafted. This mod ensures that the stonecutter retains the last crafted item, making it more convenient when working with multiple stacks of items. Requires: Fabric Loader Fabric API Stonecutter Tweaks Mod Download Links For Minecraft 1.16.5 Fabric version: […]
Lodestone Mod (1.21.3, 1.20.1) – Library for Lodestar Team's Projects
Lodestone Mod is a library used by all mods under the Lodestar team, containing important backend code mostly used for rendering. Features: A lot of shaders Various helper classes & utilities. A simple screenshake implementation. Some commonly used attributes in Lodestar Team's mods. A system allowing for custom fire effects applied to entities. A particle […]
Knight Lib Mod (1.21.1, 1.20.1) – Expand Your Modding Toolkit
Knight Lib Mod is a code library that serves as a shared foundation for mods developed by its creator. This library mod introduces a key feature, the "Great Chalice" block, along with several utility functions that simplify adding common elements to custom mods. Features: Adds the "Great Chalice" block Provides utilities for mod development Designed […]
CoolCatLib Mod (1.21.1, 1.20.1) – Essential Library
CoolCatLib Mod is a utility library mod for Minecraft, specifically designed to help other mods with essential features and shared functionalities. It provides developers with a set of tools that can be easily integrated into various projects, saving time and improving mod compatibility. Features: Shared Utilities: Offers common tools and functions to simplify mod development. […]
Obfuscate Mod (1.16.5, 1.12.2) – Library for Mr_Crayfish's Mods
Obfuscate Mod is a simple library that provides useful events, utilities, and common code for mod developers. Features: EntityLivingInitEvent – Allows you to add extra DataParameters to entities for easy server-to-client data synchronization. ModelPlayerEvent SetupAngles – Allows you to manipulate the player's model angles without the need to worry about resetting them correctly (with Pre […]
FlytreLib Mod (1.19.2, 1.18.2) – Library for Flytre7's mods
FlytreLib Mod is a shared library with common code for all of Flytre7's mods. It also contains a bunch of utilities that make maintaining Flytre7's mods much easier! The following mod require FlytreLib to work properly such as Salutem, Biome Locator, Crazy Creepers and many more. Although the FlytreLib isn't prevalent among the players, however, […]
Iskall Utilities
Dependency for Vault Hunters - Official Modpack
Combat-Commons
Attack distance attribute and other utilities related to combat