Minecraft Java 1.21 Mods
Browse 3,674 free mods for Minecraft Java 1.21 — popular picks include SuperRH bosses, Simple Damage Caps, Totem of Allying.
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SuperRH bosses
This mod adds some uh cool stuff like a very strong boss and a total red biome
Simple Damage Caps
Data-driven and fully customizable mod that allows you to put arbitrary per-hit damage caps on any mob.
Totem of Allying
Use a Totem of Allying to teleport your tamed animal to you, across any distance and dimension!
Pigs Eat Mushrooms
Pigs eat mushrooms, and some other cool pig related features
The Darkness Realm
WIP
Lightning Lotad [Remastered]
This is a recreation of the 1.6.4 mod, "Lightning Lotad", brought to Minecraft 1.20.1 This mod adds new tools & weapons as well as new materials and blocks!
Locating Players/Entitys
Allows to Locate Players and Entitys Alike.
Villager Breeding Tweaks
A plugin that decreases villager breeding cooldown and growing age, making villager breeding and growth faster for survival servers and SMPs.
Metabolic Delight & Hunger Overhaul
Immersive rework of Minecraft's hunger system.
Phantoms Begone!
A mod to counter phantoms more effectively making them more bearable.
RuneDelta
150 runes for weapons, armor, shields and tools that spice up combat and exploration
Force-Load Spawners!
A mod aimed at adding the ability to force-load mob spawners into the game.
Hush
Quiets dead mobs, and fixes loud sounds.
Convert Traders
Effortlessly convert Wandering Traders to normal Villagers!
SG Trades
Adds new trades to all villager professions
Trouble-Free Trading
A datapack/mod that makes dealing with villager easier with things like items that transport villagers

Random Enchant
Now, all you need to do is attack mobs, and the item in your hand will gain enchantments automatically.

Entity Hover Information
Shows hovered entity name, health, and armor in the top-left HUD with vanilla-style icons and configurable range.
Roguelike Waves
Roguelike Monster Waves, choose a kit and survive as long as possible!
Robot Legion
Build a steampunk robot army. Workers automate jobs while combatants fight beside you through three boss dungeons. Trade with engineer villagers for rare parts.
凋零石劍│Wither Stone Sword
凋零骷髏會掉落凋零石劍而不是石劍。│Wither Skeletons now drop Wither Stone Swords instead of Stone Swords.
SG Mob Spawn
A mod that adds mob spawns for higher difficulty like illusioners, zombie horses, cave spiders, etc.
Carpet 2 Wool
Lets you craft 3 carpets into 2 wool blocks. Works for all colors.
Better Copper Golems
Unleash the true power of copper golems!
MythicSkriptAddon: Reborn
Skript Addon for MythicMobs Support
Curse of the Yeeters
TNT Yeeters have returned from the dead! And they're cursed!
MobHealthHologram
MobHealthHologram is a Spigot/Paper plugin that displays customizable health holograms above entities, providing players with instant visual feedback on mob health. It is fully configurable, allowing you to customize the view distance, health bar format,
VariZoo | Create your own mini or giant zoo! [1.21+]
Add more interesting mechanisms to the animals! Introduced body size for animals.
NexusMobs
NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses
30M+ Villager Names!
Adds over 30 million random names to Villagers, since 1.17! I wish I was joking.
GraceCraftExtender
Entitys Will spawn randomly from 30 seconds to 3 Minutes, working on extra things like config menu
Altered (discontinued)
Once you enter you must see it through.
Pigs Addition for 1.21.5
Who's ever wanted to have Minecraft Earth pigs on Java? This datapack adds them 🐽
PatPat Plugin
A paper plugin that allows you to pet creatures, fully customizable in config.
Damage Indicators
Simple Damage Indicators to see how much damage you deal.
MonsterEyes
Monsters only attack when enemies are within sight!