Minecraft Java 1.21 Mods
Browse 3,671 free mods for Minecraft Java 1.21 — popular picks include Renewable Elder Guardians, SmpMechanics, No Creeper Grief Charged Creeper Addon.
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Renewable Elder Guardians
Vanilla friendly mod and plugin port that makes Elder Guardians (and sponge) renewable, while keeping it balanced.
SmpMechanics
BetterSleep, Custom Day/Night Time, /sit, Mob Cleaner, Block Loggin, SimpleTPA, /hat, /fly, /god, Cozy Campfire
No Creeper Grief Charged Creeper Addon
Enables Charged Creeper block damage when when you used an Anti-creeper griefing datapack, so you take advantage of the special features of the Charged Creeper. It also adds proximity-based warnings. Tested with Vanilla Tweaks’ Anti Creeper Grief pack.
WanderingPlus
Per-player, vanilla-friendly Wandering Traders for Paper and Folia, with persistent spawning and a public integration API.
DrownedOverhaul – A Deep Sea Threat Awaits
DrownedOverhaul transforms Minecraft’s oceans into a place of genuine peril. This plugin completely reimagines the behavior of Drowned mobs, turning them from passive nuisances into coordinated threats lurking beneath the waves.
PhantomGuard
Prevent Phantom spawns with player-specific permissions.
Nurse Mod
A mod to add nurse in Minecraft
Phantoms spawn in the End
Allows Phantoms to spawn naturally in the End regardless of Insomnia rules.
Cooper Golem Awakening
Modifies copper golem creation mechanics - now requires lightning rod and lightning strike to awaken. Copper chests are created separately.
Traders Shrine
A centralized Villager Trading Hub for your Trading Halls. Features Bulk Trading, Upgrades and more QoL.
Dawn Of The Pyro Brothers
Fight the aliens forged of fire
New Old Flowers For Sniffers
Sniffers can now dig up the removed red rose, pocket edition's blue rose and a new Bobuar rose
NoMobLoot
Prevents mobs from dropping items and experience orbs
flaying
Flay your fallen foes. Mobs leave carcasses on the ground upon death, requiring a sword to harvest loot

OGDuels
OGDuels is a lightweight, high-performance Duels, FFA, killstreak, bounty, and leaderboard module designed for competitive Minecraft PvP servers.
Sandbox Craft
Minecraft mod heavily inspired by People Playground.
Pethelpers
The plugin adds a dog pet that can be summoned, leashed, and sent to find items. All pet data is saved between server restarts.
LivePhantoms
Customize your Phantoms with LivePhantoms
Tribes & Legions: Tame Mobs, Build Your Tribe!
Tribes & Legions lets you tame mobs, build your tribe, and manage companions through custom skills, equipment, progression, and a custom UI—while preserving their original abilities and combat styles.
Mounts Info
Mounts Info is a data pack that displays detailed statistics for horses, donkeys, and mules.
Dirt Drops OP Items
Upgrade your shovels through custom tiers to unlock OP loot from dirt, but beware of escalating lethal traps!
Snack Sticks
Turn mobs into tasty treats!
Eternals
Adds various rpg like items and mechanics in order to turn minecraft into my ideal game so if anyones interested in trying it out feel free to download :)
HissTickBoom [BNB Standalone #2]
Makes Creepers even more painful to deal with!
nearest-villager
Nearest Villager Job: Automatically assigns workstations to the closest villager and lets you highlight owners with a sneak-right-click. Optimized for Paper/Spigot 1.21.1+.
Sunlight Burn
A datapack that adds a new challenge to Minecraft by causing you to burn in the sun like undead mobs.
Dept Collectors
You are broke, in fact; you are in SERIUS dept. To pay of that dept, the people you owe money has sent you to a strange world. You mission is to kill of other dept collectors in your way and pay of your dept.
Villager Sound Changer
This mod allows you to press F7 to open a menu where you can customize villager sounds to your preference. HOTKEYS: F7 opens the menu.
MSRdungeons
MSRDungeons is a Paper/Purpur plugin for **resettable wave-based dungeons** with MythicMobs integration, team participation rules, rewards, cooldowns, and schematic restore.
EI Mythic MobsHook
This plugin connects MythicMobs with ExecutableItems, allowing you to use custom items as abilities and mob skills. Easily trigger ExecutableItems through MythicMobs mechanics, events, or drops. Perfect for RPG servers and advanced combat systems.
Doggy Carrier
Carry your best friend on your head during your adventures and let him warn you when ennemies are nearby
Greed of You
This mod adds more goodies and surprises to your world to change things up, including ores, structures, mobs and unique armors and tools that buff the player
StormtrooperX
Make ranged mobs miss more - reduce accuracy of Skeletons, Strays, Pillagers, and Piglins
Frogs go Crazy
This datapack allows frogs to eat every mob (besides other frogs) like how they eat slimes and magma cubes.
Stronger Creaking
Makes the creaking deal more damage
Keep My Creak
A datapack for your creaking-using redstone contraptions