Minecraft Java 1.21 Mods
Browse 770 free mods for Minecraft Java 1.21 — popular picks include Custom Background Music, custom-crafter-api, Unstable Twist.
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Custom Background Music
Framework for adding custom background music to your game
custom-crafter-api
An advanced PaperMC crafting engine for building complex recipes with NBT-supported custom items.
Unstable Twist
A chaotic Minecraft plugin that adds powerful custom weapons inspired by Unstable SMP and Heartless Horizon.
MekaMod
Adds New Stuff to Mekanism: Automation
Pigly's Player Head Drops
When a player is killed by a player, they drop a head that can be used to become invisible the head's owner.
BreweryX Recipe Book
Automatic in-game guide for BreweryX. No more Wikis! Thank you: Brim🦊
Bossbar Lib
A simple bossbar library allowing for per entity bossbars
EmakiCoreLib | Shared Runtime for the Emaki Series
One pipeline syntax, one item-source identity and one pre-check for every Emaki module.
Ai Helper
Chat with AI directly in your Minecraft world! Transform your Minecraft experience by bringing the power of artificial intelligence right into your game. No more alt-tabbing to ask questions or get help
WildCards SMP
A WildCards SMP plugin. Add Unique ability cards to your SMP.
ItemDisplayPlugin
This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,
Cauldron API
this mod is an api that allows mod creators to create multiple type of recipe that base on cauldron!
Various Status Effects
A library of status effects, intended to be used by other mods.
TimerAPI
An api easily create and coding as simple to timer.
Coordinates Display
A Client-Side Mod For Coordinates Display !!
TitanEconomy
The ultimate all-in-one Server Core: Economy, GUI Shop, Auction House, RPG Leveling, Physical Bank Notes, and a sleek HUD. Native support for Paper, Spigot & Purpur.

VelocityPlus
Velocity proxy adding and change commands
Simple Voice Chat Player Voice Recorder (Server-Side)
SimpleVoiceChat Player Voice Recorder (Server-Side) Record Minecraft players’ voice chats on the server using the official Simple Voice Chat API. Saves decoded audio in timestamped files organized by player UUID. Reliable, efficient, and easy to use.
Teams API
TeamsAPI is a passive, server-side bridge plugin for Minecraft servers, inspired by Vault
Achievement & Quest Tab
Comprehensive progress tracking system that displays achievements (advancements) and quests in player tab list with full FTB integration.
Mini Block Miners
All updated Mini Block Miner Farms!
trDiscordSync
Account Linking, 2FA, Discord Role Integration, Daily Rewards, Logger System!
Durability Damage Recipe
A mod adding 2 new crafting recipe types that damage damageable input items instead of consuming them during crafting. These recipe types are ready to use in your mod or data pack!
RevertRaidChanges-Pro
Restored Raid to the logic before version 1.21. Allows most professional Raid Farms to function.
Immersive Portals Paperized
Immersive Portals but completely server-side as a Paper plugin.
GuardianAc++
Enterprise anti-cheat for 10k+ players. 12 detection modules, real-time monitoring, Discord integration, zero vulnerabilities. Professional-grade protection with dynamic scaling.
Player: real zero gravity
player zero gravity simulation, without Y-attachment. Free rotation
VelocityNavigator
The all-in-one Velocity network solution for intelligent lobby routing, parties, queues, Java and Bedrock menus, server management, Redis sync, failover, and live monitoring.
Umbraix Jobs
A modern, feature-rich jobs plugin for Minecraft servers, offering customizable careers, dynamic missions, team play, and a sleek GUI—built for performance and player engagement.
Grow Garden
GrowGarden is a Minecraft plugin inspired by the popular Roblox game Grow a Garden. Players can plant, water, grow, and harvest crops to earn coins and upgrade their garden.
Unbreakable Library
A tag-driven datapack library that makes tagged items truly unbreakable.
Bodebojo's AFK Display
Datapack that shows when people are AFK
Simple Skins
Basic skin functionality without having millions of commands. Perfect for offline servers aligned with bedrock geyser!
YardWatch
Plugin and API allowing developers to hook into multiple protection plugins without needing to depend on them
FoxEnchantCreator
Custom Enchant Creator that allows you to easilly register custom enchantments in config.yml, you can use your own Skripts, Plugins or datapacks to add effects to them
Fiw Custom Items
A data-driven custom items framework for Fabric or NeoForge. Define NBT, Attributes, configurable abilities, mechanics, curses, upgrades and more entirely through JSON no coding, no restarts.