Minecraft Java 1.21 Mods
Browse 3,634 free mods for Minecraft Java 1.21 — popular picks include Cobblemon: Beyond the Limit, Disable Crop Trampling, ClanForge.
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Cobblemon: Beyond the Limit
Adds evolutions for Pokémon that go beyond their natural endpoint.
Disable Crop Trampling
A simple Fabric mod that prevents crops from being trampled when players or mobs jump on them.
ClanForge
Complete clan ecosystem with storage, economy, rankings and cross-server synchronization
Cave Born
Adds new ores, materials and powerful gear. Mine Bronze in the End, find rare Titanium in the Overworld, and craft Netherite Titanium equipment — the strongest in the game!
Beastly Buggers
This mod adds many kinds of insects and arachnids, as well as unique and rewarding loot. Increasing the challenge and excitement of exploring while still keeping the game vanilla-friendly is the primary focus here.
Mob Lite
It allows you to modify the spawn limit and the spawn limit of each specific entity in real time using commands
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
No Silverfish ❌
Disable Silverfish in Minecraft by preventing its spawning and removing any that appear in the world
PolyPokémon
This mod allows players to disguise themselves as Pokémon from the Cobblemon mod and supports multiplayer.
Flourishing Fields
A Minecraft fabric mod about flowers and bees
Better Mob Combat Neo
a unoffical port of the mod Better Mob Combat
Finetunned Weaponry
This mod offers ALOT of new Items with unique effects
Stronger Iron Golems
This mod make iron golems much stronger.
Customizable Dragon AI
Useful Datapack to customize the Ender Dragon's AI

ScalingMobs
Adjusts the stats of bosses and mobs, multiplied by the number of players on the server.
Hero Necklace
Adds a new Emerald and Necklace to the game. The Hero Necklace while equipped gives the Hero of the Village effect.
Dinnerbone Gravity [Dinnerbone Floats]
The mobs named "Dinnerbone" fall upwards because they're upside down.
Easy Froglight Obtaining
Get froglights by feeding frogs magma cream items instead of magma cube mobs.
Flee On Sight
Your wild animals are now introverts !
Clerics Trade Totems!
A simple mod that adds the Totem of Undying to Master Cleric trades.
Niobium
A mod that adds features that should be in Vanilla.
Grace999
GracePlugin provides configurable, per-world grace periods with PvP and mob damage protection, boss bar countdowns, sound alerts, and customizable safe zone regions with flag-based protections.
Profitable
Dynamic economy with real supply and demand by using an exchange system!
Portix's Better End Fight
Make the end fight more challenging!
Doesn't This Count as Being Burned to Death?│這不算燒死嗎?
Animals killed by Magma Blocks or Campfires will also drop cooked meat.│被岩漿塊或營火燒死的動物也會掉落熟肉。
Loot Multiplier
Server-side loot multiplier mod for Fabric. Increase or reduce mob drops, block drops, fishing rewards, and chest loot with simple config values.
Glow Sheep
Adds Glow Sheep.
Cobblemon Champions Addition
This datapack allows Pokémon to learn their new moves from the Pokémon Champions, while also adding support for ZA Mega Pokémon that haven't been included in Champions yet.
Strength SMP // S1 & 2
A Datapack that adds the feature of Strength SMP.
Crital
Overhaul Crit chance and Crit damage and implementation Monster Crit System (RPG-Like) Archived : Currently rewriting new one
Jeck230NOTREALWORLD
AI-generated horror mod that adds the mysterious entity Jeck230, disturbing sounds, and a strange “not real world” atmosphere.
Astolfo's Mons [COBBLEMON]
Add Fakemon from the Nandia Region!
Granular Gamerules
Breaks up some of the most overloaded Game Rules such as mobGriefing into individual features.
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!
Heartless Pursuit
Gain extra hearts for every five XP levels you earn (fully customizable). Compete with friends to collect the most hearts by grinding—or stealing them by defeating others!
Dog Dog
Overhauls Minecraft wolves with unique personalities, treasure-hunting abilities, and epic life-saving mechanics!