Minecraft Java 1.21 Mods
Browse 126,986 free mods for Minecraft Java 1.21 — popular picks include iCor's SMP Core, FurnaceUpgrades, Config Hub.
Step by step: How to install Minecraft Java mods & modpacks
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iCor's SMP Core
Professional Minecraft Paper 1.21.x SMP Core Plugin with modular architecture, MySQL support, player data system, async saving, command framework, API layer and scalable backend systems.
FurnaceUpgrades
FurnaceUpgrades 1.0.0 initial public release adds survival furnace upgrades with minerals across speed efficiency and fuel paths with per level configurable costs and effects in config and furnace status shown in the action bar
Config Hub
USH-Universal Config Hub is a web dashboard for editing all Paper plugin configs. It validates changes, shows reload requirements (hot, plugin reload, or server restart), and safely migrates old versions with backups.
BoostSync
Reward your Discord Nitro boosters in Minecraft with automated, verified rewards. BoostSync links accounts with a one-time code, grants a renewing 7-day booster rank while they keep boosting, and offers once-per-season reward claims.
RevivePlus
Enjoy extra lives and player revival in your hardcore adventure!
No pig sounds
Removes all pig sounds
Fleet Sell Portals — Fully Automated Selling for Farms & Grinders
Optimized auto-sell portals, Make every farm 100% efficient with instant auto-sell.

BlockTweaks
some tweaks to the block textures
Witness
Every actions have consequences... Make them pay!
PlugLoader
It is a plugin framework that enables the creation of dynamic and modular systems on Minecraft servers. It simplifies the process of adding new features to the server and allows for the quick management, activation, and deactivation of systems. (BETA)
No Xp Spawner
Disable XP from mob spawners and trial spawners.
Thnder's Quality of Life Enhancements
Thnder's Quality of Life Enhancements adds gameplay improvements to inventory(sorting, open shulker box) and hotbar (no looping).
ServerCreators - Custom Itemy [RAPYSMP]
customitems rapysmp
Phoenix's Living Textures
A Resource Pack that Aims to bring life and a new coat of paint to Minecraft, by @PhoenixPlaysMC on YouTube
TB-CustomCraftGUI [1.21.x]
Advanced GUI crafting plugin featuring smart batch crafting, RPG recipe unlocks
DPermaDeath
Every life matters. Every death changes everything
Symmetrical Bars
This resource pack makes the iron and copper bars's texture symmetrical
Legacy Russian Translation
Minecraft's popular translation is better than the official one.
BetterChecks
A plugin that allows players to convert their balance into physical bank cheques
Specterite
This changes netherite to specterite, a nice looking bluish ore.
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
Résine Update
It's a mod. You add new crafting recipes using resin, new armor, new tools, and a new shield.
Aoa's Cat Pack
Retextures cats to look like real-life ones!
UpgradeFurnaces
UpgradeFurnace lets players spend in-game currency to upgrade their furnaces through four powerful tiers, increasing smelting speed at the cost of burning through fuel faster. Link a chest, barrel, or shulker box to automate fuel input and output
Blocodex
Catch every block of the game !
Toadpill
This mod adds the ability to turn any mushroom into diamonds!
UT+DR Discs
i will be making updates and adding more DR tracks, so recomend some if u want them to be here

ChatRateGuard
Adds a simple cooldown between chat messages.
VoteForCommand
Plugin that allows players to vote on executing commands on the server. Admins can create configuration files to specify exactly which commands they want to make available.
AFKTerminator PRO (1.8. - 1.21.11) V1.2.1 ANTI-AFK
Interactive Anti-AFK plugin with smart detection, admin GUI and live DE/EN/ES language switching.
Flap Flap
Your Elytra is about to snap. Elytra Balancing / Debuff Mod
red overhaul
A texture pack i made giving most UI and some items a red overhaul
VitalityRealism
Here, the body's processes are influenced in the game (thirst, vitamin D, etc.). There is also a zombie evolution feature. >:
Un-Nameable Resource pack
A variety comedy resource pack.
PATAMER's pack
This is my project that I'll be working on and perfecting
Experience_Bar l Gaz
Experience Bar in the Style of Minecraft Hearts and Food