Minecraft Java 1.21 Mods
Browse 3,576 free mods for Minecraft Java 1.21 — popular picks include Immersive Portals for (Neo)Forge, Dark Matter, NBT-API.
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Immersive Portals for (Neo)Forge
See through portals and go through them seamlessly without a loading screen.

Dark Matter
Just another Boring library mod.
NBT-API
Add custom NBT tags to Items/Tiles/Entities without NMS
Blackwolf Library
A library for my decorative mods
SLM: Codex
Add a Codex system with Skills, Passives, Actives, Lore, etc. for Items, Weapons, Armor & Curios
Markdown Manual
Library mod for creating in-game manuals.
Lootables
API for creating featureful loot rewards that go beyond item drops, and can be provided randomly or via loot box choice mechanics.
Curios API Continuation
A flexible and expandable accessory/equipment API for users and developers.
Create: Deployer API
A create library for addon-developers to simplify logistics
Unnamed Framework
The base framework for my datapacks, providing an API of common functions and easy compatibility between modules.
Resource Config API
A Config API for my Resource Mods
LagFixer
⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!
CICADA Cape Fix
Removes the ugly 'pls update cicada' cape from older versions of CICADA
Citadel (Fabric)
A port of Citadel to the fabric loader
Tensura Compat: FTB
A compatibility brigde between Tensura: Reincarnated and FTB mods (including FTB Library, FTB Chunks, FTB Teams and FTB Quests).
JEAsync
An async version of JEI that loads faster
HazentouveLib
A lib for all of Hazen's mods.

TNT Timer
Adds a timer above tnt which displays the time until it explodes.
Timefall Coin (Themed Currency Base)
This mod adds the Timefall Coin and Timefall Coin Pile, used in the TSMP, but is a base that can be changed to fit a Modpack's Theme
Curtain
A Forge mod like fabric-carpet
Multiverse-Inventories
An inventory management plugin created to intertwine with Multiverse-Core
Unfocused
An API for blur's cross-platform mods
BBL Portals
A Custom Portal creation tool with kubejs support
LYIVX's Core
Mod Utilities For My Mods Not Useful For Anyone Else.
Combat+ Core
The core library and compatibility layer for the Combat+ series.
PvP BOT
A mod for Minecraft Fabric that adds smart PvP bots
HaydenAPI
An simple-yet-powerful API library for my own needs when doing Minecraft modding.
Data Attributes: Directors Cut
An updated version of Data Attributes
Create: Diamond & Factory
This Mod make Diamond from Factory
Villainous Horde Manager
A utility to aid in creating mob swarming events.
DespawnTweaker Refoxed
Better Let Me Despawn optimization | Don't allow mobs from spawners to despawn
Cumulus
An API for custom and compatible main menu registration.
Create Aeronautics: Copycat Wing
Added support for Copycats+ blocks as wing parts in Create Aeronautics.
ChimericLib
Shared library for chimericdream's mods
Cobblemon Info for REI / JEI / EMI
CobbleDex turns REI, JEI, or EMI into a full in-game Cobblemon reference. Click a Pokemon and inspect its spawns, evolutions, drops, moves, stats, forms, fossils, obtainment methods, riding data, and more without leaving the game.
Atlas Core
A library (currently only for configs) used by Atlas Development projects