Minecraft Java 1.21 Mods
Browse 233 free mods for Minecraft Java 1.21 — popular picks include RatsCurrencies, Queue Plugin, AtlasPin.
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RatsCurrencies
A Simple Custom Currency Plugin Which Adds A Shop And A Currency Distribution System For Your Server. This Also Helps To Save The Memory And CPU Usage Which Are Overused In Another Currency Plugin. This Has Very User Friendly Interface [1.18+]
Queue Plugin
An Queue Plugin for Velocity, easy to set up!
AtlasPin
AtlasPin is a modern, intuitive plugin for managing coordinates on a Minecraft server. It allows players and administrators to create, manage, and share pins using beautiful graphical interface templates and high performance.
ServerAnalytics
ServerAnalytics is a powerful, lightweight, and fully free analytics plugin for Minecraft servers, designed to help server owners understand player behavior, track progression, and optimize their gameplay experience like never before.
No Ominous Banners
Pillager Captains no longer drop their banners upon death. This ensures unclogged farms and boots performance
GG Backups
A lightweight and reliable inventory backup system for your Minecraft server.
"E"
E (A data pack that re-works the crafting recipes for slabs, trapdoors, planks, pressure plates, doors, and buttons. More is on the way!
OneStackMax
A datapack that makes all items unstackable
Virtual Storage
Virtual Storage is a personal storage plugin for Minecraft 1.20+ with up to 16 permission-based 54-slot pages, a customizable GUI, automatic item saving, admin storage access, Discord webhook support, and Paper-compatible server support.
Void Cleaner
VoidCleaner automatically and intelligently cleans up dropped items, projectiles, vehicles, and mobs from your server, storing them in a special "void" (storage).
cbgsoptimizasion
so its hella hella powerful plugin needs to optimize your mc server about %20 to %30 percent depending on the player/redstone farms count
Docket
An open source plugin compatiblity scanner and developer helper plugin.

Craftable honey bottles
Adds a crafting table recipe for honey bottles (3 honeycomb + 1 glass bottle = 1 honey bottle). Works alongside the vanilla method — nothing's removed. Datapack only, no mods needed.
OldFashionedLimits
Old fashioned height limits (from pre-1.17 versions)
Upgradable Spawner
This plugin allow to create a spawner wich can be upgraded
NeoServerCommand
Better /server Command.(and /send) よりよい/serverコマンド!
BungeeShortcut
A simple BungeeCommand Shortcut create plugin. BungeeCordのコマンドのショートカットを作ろう!
Custom Despawn Timer
Custom item despawn time override