Minecraft Java 1.21 Mods
Browse 111 free mods for Minecraft Java 1.21 — popular picks include Create Crafts & Additions, Cobblemon additions, CFM Refurbished: Watt About Power?.
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Create Crafts & Additions
Create Crafts & Additions extends Create and acts as a bridge between electricity and kinetic energy
Cobblemon additions
A Mod that adds villages with Pokemon Village/City variants - Originally made for the Brocraft server. This will spawn in a variety of structures within the villages as well. We are planning on adding rare structures!
CFM Refurbished: Watt About Power?
Introduces a circuit breaker block that powers the electricity network in "MrCrayfish's Furniture Mod: Refurbished" using energy from other mods.
City Craft
This mod expands the game with vanilla friendly streets, signs and other decoration blocks to transform your world into a huge city!
New:Sim-U-Kraft
Have you ever wanted to build your own city in a game? To have your own territory and town residents, thriving and developing rapidly under your wise leadership as the mayor?
MiniMOTD
Minecraft plugin/mod to set the server list MOTD using MiniMessage for formatting, supporting RGB colors.
Mishang Urban Construction
An amount of blocks and items that make a beautiful city!
Urban Decor
Urban Decor is a decorative mod designed to enchance the building experience of users by adding unique decoration blocks.
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.
NoEmotecraft
Emotecraft fork with 1.21.x update
InteractiveChat
Chat enchancing plugin to work on top of your chat formatting plugins, adding functionalities such as sharing items and inventories to chat, and creation of custom chat placeholders!
MiniPlaceholders
MiniMessage Component-based Placeholders API for Minecraft Platforms
FlectonePulse
Every Message Under Your Control!
World of Flags
This is a decorative mod that adds national symbols of various countries to the game. With this mod, you can add more details to your city. The mod includes numerous items. The list of countries will be updated over time.
Crystal Speed
Allows you to change the crystal rotation speed and add little orbit crystals that can also spin fast works with crystal opacity mod
vane
Immersive and lore friendly enhancements for vanilla Minecraft
LANBroadcaster
Broadcast your Minecraft server over the local area network and have it appear in the LAN server list
Ancient Jungle Ring - Ruins Structure ✅
Ancient Jungle Ring is a vanilla-friendly jungle city built as a stone ring with overgrown facades, hidden passages, flooded chambers, terraced walkways and rustic bridges.
Custom F3 Brand
Edit your server brand in debug screen (F3)
City Roads
Beautify your roads!
URBAN_128x
Urban resource pack for Minecraft Java edition.
KantoBlocks for Cobblemon
480+ blocks for building Kanto-style towns, routes, caves, interiors, and adventure maps in Minecraft.
Crystal Opacity
Allows you to change how see through a crystal is with lots of settings. or how transparent they are
KantoBlocks
480+ blocks for building Kanto-style towns, routes, caves, interiors, and adventure maps in Minecraft.
Chat-With-NPC
Chat-With-NPC allows players to freely chat with NPCs, who will answer questions based on his setting (Basic Prompt) and the setting of their Groups (Nation, City, Town ,etc.). Suitable for RPG maps or puzzle maps.
Socialismus
Improve communication between your players in a modern way
Broadcast++ | The Ultimate Broadcast Plugin
Customizable broadcasts for chat, titles, and images with gradients & rainbow effects
OcelotSign
A MishangUC traffic expansion mod featuring standard Chinese mainland road signs, custom sign blocks with pillars, and road markings for realistic city building.
Expressions Provider
Add MiniPlaceholders placeholders for complex mathematical and text expressions
VCustomBrand
Customize the brand to display to players on your Velocity network
TitleAnnouncer
A lightweight Paper and Velocity plugin to send Titles, Actionbars, Bossbars and Chat announces with MiniMessage format

Fancy Tags
Simply put images in chat. No resource pack needed.
CityUtils
Customizable roads that you can rotate around, street signs like stop signs and speed limit signs, so much to help your city building process
Routes
Physical roads generated in world-gen that connect your world's structures - named routes, towns and areas, with waypoints and full Xaero map integration.
Cobblemon x NIT Integration
An addon for Cobblemon and New In Town adding Cobblemon-themed structures
BannerMOTD
Pixel art MOTD for your minecraft server!