Minecraft Java 1.21 Mods
Browse 208 free mods for Minecraft Java 1.21 — popular picks include Athena, Fusion (Connected Textures), Every Compat (Wood Good).
Updated daily
Athena
A crossplatform (Forge/Fabric) solution to connected block textures for 1.19.4+
Fusion (Connected Textures)
Fusion allows resource packs to use additional texture and model types such as connected textures!
Every Compat (Wood Good)
Universal Wood Compat: Quark, Twilight Forest, Twigs, Another Furniture, Farmers Delight, Macaw's, Valhelsia, Architects Palette, Deco Blocks, Crayfish FM
Immersive Furniture
Create custom and fancy furniture, deco, and objects in-game or choose from a vast online library.
MrCrayFish's Furniture Mod (Legacy Continued) + Nosiphus Furniture Mod
Port of MrCrayFish's Furniture Mod (Legacy) to newer versions of Minecraft. Formerly an addon that readded missing furniture to CFM.
SDM UI Lib
A simple library that will simplify the creation of interfaces
Photon Editor
Photon - Making mc effects as Unity.
Sable: Physics Compat
A Compat mod for Sable/Aeronautics providing tags for several modded blocks.
FancyNpcs
Simple, lightweight and fast NPC plugin using packets
Sherds API
Makes adding new pottery sherds easier
Blackwolf Library
A library for my decorative mods

TNT Timer
Adds a timer above tnt which displays the time until it explodes.
Skniro's Furniture
Skniro's furniture mod introduces a wide range of furniture while keeping the original Minecraft aesthetic.
Texture Pack Folders (Like Recursive Resources)
Mod allows folders with packs in them to work, mainly for organization. (Like recursive resources)
ExecutableItems
Custom Items, ExecutableItems plugin allows you to fully customize every aspect of your items, and adding unique activators on your items !
Blackwolf Library - Fabric
A library for my decorative Fabric mods

Goop
Adds Slime and Splatter Visual Effects to Minecraft
FurnitureLib
FurnitureLib is an Libary for Spigot Servers to handle 3d modeling with Armorstands over Packets, it requirement ProtocolLib.
Customizable Player Models OSC Compat
A Customizable Player Models, OSC/VMC protocol compat mod.
The Mighty Architectury
Architectury port of The Mighty Architect. Design elaborate buildings within a minute!
DragNSounds API
A simple API to upload custom sounds or music to the server and let them play in realtime to any player at any position without the need for a resourcepack.
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
MiniPlaceholders
MiniMessage Component-based Placeholders API for Minecraft Platforms
DynamicLantern
A Curios decorative lantern that requires no dynamic lighting dependency and no extra libraries — it only needs Curios and shaders to emit light.
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
Elegantia
GUI library for Minecraft and more
Free Minecraft Models
Put custom models in your Minecraft server without client mods, for free!
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
Cape Provider X (also PiCapes Mod)
Fork of Cape Provider Mod with upgrades by xsyanic and extended providers (PiCapes, Cosmetica, SkinMC, etc.)
K3d Visuals (PvP Visual)
K3D Visuals is a suite of advanced visual features for Minecraft designed to enhance your gameplay and PvP experience.
FancyDialogs
Simple, easy to use and lightweight plugin to show dialogs. You can show a welcome-screen. Other plugins can use FancyDialogs to integrate fancy dialogs into their plugins.
Contraption Lights (Bi-directional Dynamic Lights)
Adds dynamic lights that move with your Create contraptions and Sable sub-levels, flowing both ways between your builds and the world.
AcornLib
An API with features to make modding easier, including new Components, Particles, Weapon Skins, and Supporter Perks.
Leah's Resource Library
Library Resource Pack for all individual MTR Resource Packs by Leah. Sounds, Bogies, Couplers and Seats included in this pack.
HologramLib | Leaderboards & Custom Holograms
Packet-based text display library with animations, leaderboards, emojis, minimessage, and more!
Xshards
Xshards is a Minecraft plugin that introduces a shard-based economy, enabling players to earn shards through gameplay, purchase items from a public shop, and manage their shard balances with various commands.