Minecraft Java 1.21 Mods
Browse 316 free mods for Minecraft Java 1.21 — popular picks include PySpigot, FNAF Dreams and Nightmares (Work Game), GoldFarmFix DataPack.
Updated daily
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
FNAF Dreams and Nightmares (Work Game)
Mod will recreate the creepy atmosphere of FNaF 4
GoldFarmFix DataPack
Bring back the old (pre 1.21.5) Zombified Piglin death behaviour, re-enabling exp and rare drops when killed by the environment while aggroed
Finetunned Weaponry
This mod offers ALOT of new Items with unique effects
Customizable Dragon AI
Useful Datapack to customize the Ender Dragon's AI
Profitable
Dynamic economy with real supply and demand by using an exchange system!
More Rules
More rules is a plugin and mod that provides extra GameRules to allow fine-tuning of features on your server, while keeping it as vanilla as possible!
Cobblemon BattlePlus
A server-side Cobblemon battle system mod for creating Battle Factory, Battle Tower, Battle Points, and configurable Trainer NPC battle content
Create: Back Off!
Keep entities at bay and stop griefing
Redstone Robot
Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!

Sniffer Exploited
A plugin that aims to make Sniffers actually worth having in the game.
Simple Spikes
Simple Spikes adds easy-to-craft spikes for efficient mob farming and trap creation.
Creatures Dominion
This is a mod that will have a lot of animals and even extinct ones. It is not released yet and neither finished. Please give suggestions and report bugs to me please! I hope you enjoy the mod!
Carpet Sky Additions - Create compat
This datapack simply adds a way to obtain zinc ingots, andesite alloy and dried kelp almost on the start.
More Villages Datapack
Adds more villages to the game.
HP Bar Plus
HPBarPlus is a customizable client-side mod for displaying health above players\entities.
VillagerRefresher
Refresh your villagers' trades without breaking their workstations!
UltimateHealthDisplay
Player and Mob health display plugin 6 different styles and fully configurable which style to use......
Kopeyka's Bunker Mod
A mod about nuclear and bunker things.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
Golem Nerf
Replaces iron dropped from golems with nuggets!
Don't Kill Friends!
Protect your tamed animals from damage, even when you're offline! Lightweight plugin with HEX color support and full configurability for Minecraft 1.16.5-1.21.11.
Farms
Increase crops growing speed, autocollect crops. Collect drops near the minion and more
Infested Netherrack & End Stone
INFESTED Netherrack & End Stone to End and Nether Dimensions with Spawn Mob System (Endermite and Blaze) (infected)
Antideath-Carpet-addition
Antideath-Carpet-addition is a Carpet Mod extension for Fabric Minecraft servers (versions 1.21.x - 26.2) designed to enhance and optimize the game experience. It adds a suite of new loggers for server monitoring and game rules for survival, optimizatio
Ultra Chunk Collector
⚡ The Ultimate Chunk Hopper - Instant Item Collection & Stacker Friendly! ⚡
Upgradeable Iron Golems
Craft upgrades for iron golems to unlock new abilities or just improve their stats.
PlayerBatch
PlayerBatch is a Minecraft mod by W4Whiskers that depends on Carpet and allows you to summon multiple bot players at once. It supports up to 256 bots by default, with the limit configurable in the config files.
CrashPanel | CrashCore
The ultimate No-Code engine. Elevate your server with hot-reload, node-based event scripting, plus full model and particle editors in one intuitive interface.
Lag Detective
Lag Detective is a lightweight diagnostics mod that helps answer where the lag is coming from.
Omni-Archive
The content is based on Ben 10 Omniverse,The Cartoon Network Series.
Entity Inventory See
Open the inventory of entities
BattleRoyalePlugin
A fully automated Battle Royale plugin featuring dynamic teams, shrinking borders, and a built-in economy. Includes automatic world resets and multi-language support for a seamless competitive experience.
MobPVP // CANCELLED
MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.
Reapers & Ghosts
Adds the Violent Crystalline Corruption and its various Deadly Entity's to Minecraft
Scaling Difficulty
Scale mob statistics based on time/distance traveled in the world. Port from Globox's RpgDifficulty