Minecraft Java 1.17 Mods
Browse 27 free mods for Minecraft Java 1.17 — popular picks include Iceberg [Neo/Forge], ZeroCore 2, Roughly Enough Items Fabric/Forge/NeoForge (REI).
Updated daily
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
Roughly Enough Items Fabric/Forge/NeoForge (REI)
Clean and Customizable. An easy way to browse recipes. Alternative to JEI Just Enough Items.
Iceberg [Fabric]
A modding library that contains new events, helpers, and utilities to make modder's lives easier.
Obfuscate
A library that adds in useful events and utilities
JEITweaker
Adds CraftTweaker support to Just Enough Items
LibrarianLib
An extensive collection of tools, utilities, and frameworks.
Potacore
Library to provide universal utilities classes for projects.
Lazr's Lib
A library containing many utilities for Lazr's Mods.
Porting Lib
A collection of utilities for porting mods from Forge to Fabric.
Hud Compass
Shows a compass at the top of the screen with waypoints
Takion
Takion is a powerful Spigot library for advanced chat, text formatting, and messaging utilities in Minecraft plugins.
BukkitVersion
Utilities for Minecraft server version info
Vanilla Emissive Ores Example
Vanilla Emissive Ores Using "Emissive Library Plus" 1.17+
NilKit API
NilKit API provides reusable utilities for mods built around NilLoader, with a particular focus on legacy Minecraft development.

Backwards Library
Backports template models and provides item redirection for ID changed items - Intended to make supporting older versions easier
Rekon Sound Library
soundpack for custom trains for Minecraft Trainsit Railway
ALYBH-RE PVP-Lite
PVP visual modify, an additional part of ALYBH-RE, also could be used without any dependency.
Selene Lib (1.18.2, 1.17.1) – Library for MehVahdJukaar's Mods
Selene Lib is a small library that using for MehVahdJukaar's mods. Features: Dynamic resource pack utilities: A set of utilities that allow creating dynamic runtime resource packs and datapacks. Also easily allows respriting and retexturing existing textuers. Dynamic block set registration: Allows mods to specify a block set (which can be for example a wood […]
Boss Utilities
This is a library providing a lot of boss utilities so developers can do less coding. It's mainly utilized and made for the Skizzik & Co. mod.
Redstone Computer Utilities
Lightweight and Modular Redstone Computer Debugging Tools.
FabriKommander
Server-side utilities for Fabric servers
Autopalette
A clientside resource utility mod for minecraft forge that generates palette swaps of existing textures at load time
[API] MiniMapGUI
An easy-to-use library that implements a GUI interface within offhand maps.
StarCore
A core library providing Minecraft specific utilities and integrations with my other libraries
StarMCLib
A library that contains utilities for Minecraft made by StarDevLLC.
WolfyUtilities | Core API [1.17.1 - 1.21.1]
Inventory GUI API, JSON/HOCON Serialization, Plugin Compatibility Utils, etc.