Minecraft Java 1.21 Mods
Browse 126,767 free mods for Minecraft Java 1.21 — popular picks include Smaller weapons, Best crosshair, Seamoth Nautilus Subnautica.
Step by step: How to install Minecraft Java mods & modpacks
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Smaller weapons
Smaller weapons. Easier to pvp
Best crosshair
A simple and clean custom Minecraft crosshair resource pack.
Seamoth Nautilus Subnautica
Seamoth from Subnautica ResourcePack Replaces the Nautilus to Seamoth

AnvilCraft: Twenty Minute Ionocraft
Restores the AnvilCraft Ionocraft Backpack to 20 minutes of flight time and makes its capacity and energy consumption configurable.
Cheaper Eyes of Ender - (CEE)
A simple Minecraft mod that changes the Eye of Ender recipe to 16 instead of 1.
MCPVP - ANIMATED BAN
Powerful Bans. Stunning Animations.
Pearly Waystones Retexture
A resource pack for the Waystones mod that retextures many of the items to be more remeniscent of the "ender pearl"
ProjectGM-B
This mod helps the game master (GM) host games.
OGJoinLanding — The Ultimate Cinematic Join Experience
Turn Every Server Join Into a Smooth, Cinematic Landing That Players Will Remember.
OGAuctions — The Next Generation Auction House.
The Ultimate Marketplace Where Players Trade, Sell, and Build Their Economy.
SpiritEnd
SpiritEnd is a lightweight plugin for managing End access, resets, chunk generation, borders, timers
Vine Replacer
Replaces vanilla worldgen vines with a block of your choice!
Heaven's Lifesteal plugin
Heaven's Lifesteal is a lightweight minecraft 1.21.11 paper plugin, based on lifesteal smp, when you kill a player, you gain a heart, when you die to a player, you lose a heart, with much more customization and features.
DiscordGUISDX
Discord GUI
AutoShop-Beta
Configurable rotating shop with per-player stock limits and Vault economy support.
Chorus Core | Lightweight, modular & highly configurable resource
An advanced yet user-friendly plugin designed for servers seeking powerful customization options.
mahoraga abilities
adds mahoraga abilities to the game
Hotline Miami datapack
A Minecraft data pack that acts as a mandatory companion for the Hotline Miami music resource pack, extending playback duration limits so full-length custom songs play completely.
Buttons spawn structures
You can fill the empty spaces in your world with some structures. Add a few stone and oak buttons, here and there, and voilà!

Matcha-flavored-style hunger
Just the hunger mechanic from the Matcha Flavored datapack
Ceezun's LifeSteal
This adds the well known mechanic of LifeSteal into modern versions of Minecraft.
Broadcast Pixelcard
A timed pixel-art broadcast plugin.
Bibi BANK
Advanced Minecraft economy & banking plugin that adds bank accounts, loans, trust levels, stock exchange, investments & admin rollback.
JoinBook by nis
JoinBook is a lightweight, beautiful, highly configurable player-onboarding plugin for Paper servers.
Herald
Animated tab header and footer plus scheduled title, action bar and chat announcements.
AbsoluteCommands
Improve commands by adding alot of QOL features!
Poll it
a simple minecraft plugin that you can make polls inside the game
Usage Monitor
Usage Monitor is a lightweight Paper/Spigot/Bukkit plugin that posts a live server-stats dashboard to a Discord channel and keeps it updated in place.
LayerHeads
LightWeight Player Head Plugin - head skin fetching, 2D head, interactive head commands.
Funny Armor Slots
This texture pack makes your armor slots funnier.
Master Mater
A Minecraft resource pack that renames the “Two by Two” advancement to “Master Mater” (Feinberg and Ludwig reference)
ChatGames by Neony
The Ultimate Chat Minigames Plugin for Paper 1.21.1
PastaRTP
PastaRTP is a fully configurable, high-performance Random Teleport (RTP) system for Minecraft servers running Paper, Folia, and compatible forks.
RP Engine
Turn YML into custom Minecraft models, blocks, items, GUIs, HUDs, icons, sounds, emotes & vehicles.
ufuki-Klan-Kilic-Duel
Advanced Clans, 1v1 Duels and Custom Swords plugin.
VServerSigns
Modern animated server signs for Paper with smart pools, queues, live status, Velocity transfers, effects, profiles, and an in-game editor.