Minecraft Java 1.21 Mods
Browse 764 free mods for Minecraft Java 1.21 — popular picks include Provenance, Unstable Twist, BreweryX Recipe Book.
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Provenance
Provenance is a mod that allows developers to add abilities to players, as well as the systems to manage and execute them.
Unstable Twist
A chaotic Minecraft plugin that adds powerful custom weapons inspired by Unstable SMP and Heartless Horizon.
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
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,
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.
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.
IFC-Integrations
Unite the worlds of Ice and Fire and MCA Reborn with legendary relics, enhanced creature interactions, and a new way to experience both mods together.
WildCards SMP
A WildCards SMP plugin. Add Unique ability cards to your SMP.
TimerAPI
An api easily create and coding as simple to timer.
Overgrown's Apoli
A data-driven power system that's build for custom abilities, mechanics, and entire origin systems from JSON alone.
MekaMod
Adds New Stuff to Mekanism: Automation
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
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.
G1axFixer
G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.
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
Mini Block Miners
All updated Mini Block Miner Farms!
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.
trDiscordSync
Account Linking, 2FA, Discord Role Integration, Daily Rewards, Logger System!
Donut Shards
A configurable shard economy and reward foundation for modern servers
GuardianAc++
Enterprise anti-cheat for 10k+ players. 12 detection modules, real-time monitoring, Discord integration, zero vulnerabilities. Professional-grade protection with dynamic scaling.
Achievement & Quest Tab
Comprehensive progress tracking system that displays achievements (advancements) and quests in player tab list with full FTB integration.
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.
Player: real zero gravity
player zero gravity simulation, without Y-attachment. Free rotation
Teams API
TeamsAPI is a passive, server-side bridge plugin for Minecraft servers, inspired by Vault
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.
Unbreakable Library
A tag-driven datapack library that makes tagged items truly unbreakable.
Bodebojo's AFK Display
Datapack that shows when people are AFK
YardWatch
Plugin and API allowing developers to hook into multiple protection plugins without needing to depend on them
AnhyShop
Is a unique plugin for creating merchants and trading on Minecraft servers, based on the trading inventory of villagers.
Orcore (discontinued)
The Core mod for ItsOriginal's (and other's) mods.