Minecraft Java 1.21 Mods
Browse 2,071 free mods for Minecraft Java 1.21 — popular picks include Splinecart Aquatic, Smart City Lights, Blooming Groves.
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Splinecart Aquatic
This is a small mixin designed to be used with the Splinecart mod. It makes Splinecart track ties able to be placed in water, that way you can make under water roller coasters or waterslides.
Smart City Lights
A brilliant mod for builders — lamps that turn themselves on and off, imitating the daily rhythm of a lived-in apartment.
Blooming Groves
This projects adds various fruits and fruit-based mechanics such as trees, distinct fruit foods and more.
3D Model Datapack Template
This is an template used to add 3D models to your game via heledron's text display model generator (by SyanicXD)
Donkey Kong Bananza Music Disc Pack
Nintendo Music Disc Series: VOLUME V
Harry's Education
Adds chemistry and real-world science into Minecraft!
Mecha Chameleon
Paint your body to blend in ! An adaptation of the hide-and-seek game Meccha Chameleon.
Pride Foods
adds Pride (month) themed foods!
Flourishing Moss
An architectural addon for Bricktopia that introduces four distinct stages of moss growth to all blocks. Easily customize your builds using Moss Powder to grow moss and the Moss Scraper for instant removal.
Craftable Mob Heads
Adds crafting recipes for mob heads.
POWERED
Revamps automation. Adds a ton of configurable & polished redstone components, allowing you to do more than ever before.

Courier
Small mail mod centered around delivery and finding your friends without the locator bar!
Area Selector V1
A client-side utility mod for visualizing large-scale farm and mining areas by generating customizable 3D highlight boxes between two diagonal coordinates.
CarpetStairs
Carpets on the stairs and slabs for your server
Tetris Music Disc Pack
Nintendo Music Pack Series: VOLUME VI
The Ebutale
A vibrant new dimension, The Ebutale. Includes new structures, mobs, biomes and more!
Sticky Torches
Adds throwable sticky torches to Minecraft.
The Exstras
A mod to add more items, recipes, blocks and more!
Choco Coin
Fun way for currency in your modpacks/servers using choco coins with a twist.
WorldPlaceholder
Outputs information about the player's location in the dimension using Placeholder.
Lenar's Additions
A mod that brings my ideas to life in the game (or at least the ones I manage to implement!)
ItemsAPI
A Minecraft server plugin that provides an API for managing custom items and storing them in the configuration.
Sign As
Allows operators to sign and resign books as other players.
improveMint
Some improvements while trying to keep a vanilla feeling.
Meteors Refabricated
Datapack inspired by the 'Falling Meteors' mod!
Declinable Death Messages
Inflects killer mob names in death messages for languages with grammatical cases.
Blitz Mod
Blitz is an alpha-stage industrial progression mod built around packet-sized electricity.
Windowlogging Fabric
Put windows inside other blocks, now on Fabric!
Smooth Spheres
Adds smooth decorative sphere blocks with lightweight physics, glass, metal, ceramic, crystal, and glowing variants.
AmazingJoin
This plugin allows to execute actions when a player joins or leaves.
Inventaire Amélioré
Adds new ores, armors, unbreakable blocks, a custom dimension, and more to expand your Minecraft survival experience.
FancyChairs
A simple Spigot plugin that adds the ability to sit on and add carpet to stairs and slabs

Beta Placements
Forces Stairs to be upright/can't connect and prevents stairs from connecting to non-fences. Just like beta!
Doors On Stairs!
Doors on stairs. Doors on trapdoors! DOORS ON EVERYTHING! Doors in the freakin' AIR!
CoreToolsX
CoreToolsX is a Paper plugin for vanilla-friendly tool progression, configurable upgrade paths, and netherite tool visual skins with optional inventory model support.
Over the Top
Aims to bring World War One era Trench Warfare to Minecraft