Forge Mods for Minecraft 1.21
Browse 38 free Forge mods for Minecraft 1.21 — popular picks include Cupboard, Iceberg [Neo/Forge], ZeroCore 2.
Updated daily
Cupboard
Cupboard provides code, frameworks, and utilities for minecraft mods
Iceberg [Neo/Forge]
A modding library that contains new events, helpers, and utilities to make modder's lives easier.
ZeroCore 2
Utility mod and multiblock API
InsaneLib
A set of common classes and utilities used by Insane's mods
Roughly Enough Items Fabric/Forge/NeoForge (REI)
Clean and Customizable. An easy way to browse recipes. Alternative to JEI Just Enough Items.
Kotlin for Forge
Adds a Kotlin language loader and provides some optional utilities.
EMI
Featureful and accessible modern item and recipe viewer with JEI compatibility
Create: Dragons Plus
Provide convenient features to players and dev utilities for Create addon developers.
Elysium API
Elysium is a library mod with various utilities, built-in features and new data driven systems for both Mod-Developers and Modpack-Creators to utilize
Data Anchor
Simple library mod with helpful data attaching and networking utilities including attaching data to entities, chunks, players, and worlds with low boilerplate code. Its own system built from the ground up for multiloader support.
ObsidianUI
SpruceUI unofficial forge port, is a Minecraft mod API which adds some GUI utilities.
Kube Utils
Adds helper utilities and new features to KubeJS in a clean, concise and consistent API design
FDLib
Collection of utilities for my mods
Cobblemon Counter
A utility mod that keeps track of Cobblemon wild KO/capture counts/streaks.
BBL Core
Various useful methods, utilities and helpers to make coding mods a bit better
Lazr's Lib
A library containing many utilities for Lazr's Mods.
Lazy Utilities [Deprecated]
My little Toolbox for my mods
CthuLib
Core utility mod for Pixel Dream Studios modpacks
Mebahel's API
Mebahel’s API is a core dependency mod that provides shared systems, utilities, and gameplay frameworks used across the Mebahel mod ecosystem.
Hud Compass
Shows a compass at the top of the screen with waypoints
AnCore Lib
AnCore is the essential library for Anchor Studios mods; offering utilities, custom GUI components and helper functions designed to enhance and support our modding projects.
SL Library
Adds various base utilities, synchronization help, policy, packet sending and data driven
SLM: Epic Fight
Add utilities to create passive skills, innate skills, and implement events in Skills for Epic Fight; model, registry & sync utilities.
Void Lib
A lib that adds various utilities to mod development
Modulation
A growing collection of quality-of-life tweaks, bug fixes, and cross-mod integrations for modpack creators!
SolLib
Lets mods shine by bringing a constellation of (mostly) data utilities.
Just Utilities
A personal use Multiloader Library
Ethecore
Adds an animation and model system, as well as other utilities.
JourneyMap Waypoint Syncing (JMWS)
This mod allows you to save waypoints on JourneyMap between multiple devices via the player/account UUID on the server
Moonlight Core
Moonlight Core is a layer abstraction of Minecraft mod loaders that is aimed to help with multi-loader mod development giving developers utilities for their mods.
Mixin Helper
Utility mod for modpack developers that provides complete control over mixin behavior
Café Core
Core library mod by Café Leblanć. Provides shared systems and utilities used by other mods from the same studio. Not standalone — required only as a dependency.
TidyInv
Smart, fast, server-friendly inventory sorting with 7 modes, vertical sort, locked slots, profiles, chest presets, deposit/restock/dump/take buttons, in-game config GUI, and a public API. Works in your inventory and in any chest, barrel or shulker.
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 […]
Lazr's Lib Mod (1.21.1, 1.20.1) – The Engine for Lazr's Mods
Lazr's Lib Mod provides the shared code and tools needed for other mods to work properly. It is a library mod, which means it doesn't add any new content to the game by itself. You only need to install this mod if another one requires it. Features: Includes tools for drawing custom screens. Offers utilities […]
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 […]