Neoforge Mods for Minecraft 1.21
Browse 71 free Neoforge mods for Minecraft 1.21 — popular picks include JourneyMap Waypoint Syncing (JMWS), Sculk Dragon Utils, Matthiesen Lib API.
Updated daily
JourneyMap Waypoint Syncing (JMWS)
This mod allows you to save waypoints on JourneyMap between multiple devices via the player/account UUID on the server
Sculk Dragon Utils
A utility mod that adds a number of potion effects (and eventually a command) related to Sculk.
Matthiesen Lib API
The Server-side API for Matthiesen Lib, providing utilities and features for mod developers using the library
Reliable Recipe Viewer (RRV)
A recipe viewer for the latest versions of Minecraft, rebuilt from EIV and designed to be configured.

IFramesTweaker
Tweaks How Invincibility Frames are handled to make fast weapons function properly.
Cobblemon Realms Core
A lightweight Cobblemon utility mod providing quality of life features and shared systems, designed for Cobblemon Realms but fully compatible with any modpack.
Mango's MultiBlock Library Revived
Provides some useful utilities for making Multiblock Structures
Scalar Core
Scalar Core is a library mod for Minecraft that provides a variety of utilities and tools for modders.

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.
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.
Music and Melody
Comprehensive music overhaul powered by Albums, Playlists and Events, alongside a fitting soundtrack expansion and various music tweaks
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.
MariesLib
MariesLib is a shared NeoForge 1.21.1 library powering Marie’s mods. It provides runtime item classification, mod compatibility discovery, registry infrastructure, and developer utilities
Psi Tweaks
Overpowered patches to Psi.
Lazr's Lib Ported
A ported library containing utilities for ported Lazr's Mods.
Technology Valley Tweaks
Some addons for Technology Valley modpack
Hiiragi Core
Library and Utilities mod for Hiiragi's mods
Easy Bee
A completly new way to trasport bees with extra tweaks
SOLEA API
SoleaAPI is a utility mod that combines homes, warps, TPA, teams, moderation, and combat-log tools into one configurable package with dynamic prefix support and EN/FR localization.
ActiveEnchantmentsLib
A small lib that allows your enchantments to apply in the player's inventory and provides few utilities
Speakeasy Utilities
A shared library providing common systems, utilities, and APIs for the Speakeasy mod collection.
Binding Agent
A library mod for some useful cross platform utilities.
Fools Rise Tweaks
Small mod for Fools Rise modpack! Added progression for modpack and some more!
LampLib
Provides utilities for my mods.
Atlas Lib (1.21.1, 1.20.1) – Library for Smileycorp's Mods
Atlas Lib is a library for shared code between Minecraft mods. This mod does nothing if installed by itself, and only exists as a dependency for other mods. Features: Various utilities to streamline the registering of sets of items and blocks. Various utilities to handle the rendering of models. Various utilities related to entity and […]
TenshiLib Mod (1.21.1, 1.20.1) – Useful Hooks and Functions for Modder
TenshiLib Mod is a library mod that contains shared codes, utilities for most of my mods to ease modding. For users having this mod alone will do nothing. For modders it contains useful things like an entity animation system, various utility methods or tools to create weapons with aoe attacks or increased range. TenshiLib Mod […]
RFTools Utility Mod (1.21.1, 1.20.1) – Tons of General Tools and Utilities
RFTools Utility Mod is the newest version of the original RFTools with tons of general tools and utilities. This is still alpha and currently only contains the teleportation system and the crafter. This mod is intended to be used together with RFTools Power and depends on RFTools Base and McJtyLib. Features: It contains the following […]
GTBC's Spellbooks Mod (1.21.1) – More Spells, No Hassle
GTBC's Spellbooks Mod offers new unique spells without requiring any extra dependencies. This mod is a cut-down version of T.O Tweaks: Iron’s Spells Addo. Features: Adds new, unique spells that integrate seamlessly with Iron’s Spells 'n Spellbooks. Does not require any additional content mods, keeping it lightweight and dependency-free. Designed for players who prefer a […]
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 […]
Paucal API Mod (1.21.1, 1.20.1) – A Link between Mods
Paucal API Mod is a library Mod that places significant emphasis on bridging famous Petrak's Mods, allowing them to be compatible with each other. Paucal mainly serves as a backend for Petrak's Mods, thus providing players a better experience. At the same time, players get to utilize useful backend utilities to make their gameplay more […]
Ultreon Modding Library Mod (1.21.1, 1.20.1) – Library for Ultreon Team's Mods
Ultreon Modding Library Mod provides essential tools and utilities for Ultreon Team's Mods. Ultreon Modding Library Mod Download Links For Minecraft 1.21.1, 1.21 NeoForge version: Download from Server 1 – Download from Server 2 Fabric version: Download from Server 1 – Download from Server 2 For Minecraft 1.20.4 Forge version: Download from Server 1 – […]
Realism Tweaks Lib
Lib that provides tags and data for Realism Tweaks
GSTools
GSTools is a utility mod used by all my other game modifications.