Forge Mods for Minecraft 1.21
Browse 2,511 free Forge mods for Minecraft 1.21 — popular picks include Shadow Summoner, Villager Tweaks (MDM's Municipal Improvement Initiative), Archaeology Ruins.
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Shadow Summoner
Defeat entities, collect their souls and summon their Shadow
Villager Tweaks (MDM's Municipal Improvement Initiative)
Be nice to villagers!
Archaeology Ruins
More Ruins! Procedurally generated with suspicious sand and suspicious gravel. This mod adds dozens of new structures into your world generation . Each one is designed to fit seamlessly into a vanilla game. No added blocks or mobs.
Acolyte : Iron's Spells 'n Spellbooks Addon
Demons capable of using spells against you, recruit help to defeat them
MobScaler
MobScaler - a mod that enhances other dimensions and/or the difficulty of the game.
Feathered Friend
Write scrolls, send items, tame ravens & craft sigils!

🐟Friendly AxolotlS🐟
Axolotls wont kill your fishes anymore, they even have a new diet...
MobCivics
shared rendering abstractions and basic fear state tracking for villager-related entities, intended for use as a dependency by other mods.
Too Many Weapons
Add more weapons and items
Mobs more weapons
A mod that adds vanilla style alternative weapon choices
Immersive Armor
A simple quality of life mod where wearing all four armor pieces negates damage by redirecting it to the armor.
Krakentilus
Adds the Krakentilus boss, 2 unique Nautilus variants and 3 spears
[Metal] PvZ Fusion & Stuff
This mod adds Pvz Plants and Pvz Fusion Plants in your minecraft 🌻🍃
Yazz's Dungeons and Legends
A mod that adds mobs from both Minecraft: Dungeons and Minecraft: Legends to Minecraft: Java Edition. With Improvements !!
Garden Awakens +
This mod focuses on expanding the Garden Awakens drop ( 1.21.4 )
AT's More Building Blocks
In the mod, you can discover much more in the Minecraft world. Work with real metals, explore new biomes, and build with many new blocks.
Giant Spooky Pumpkins
Adds giant spooky pumpkins with hidden dungeons, monsters, and loot.
Basic Spinosaurus
A mod that adds in a fairly simple spinosaurus mob that naturally spawns...
MindOfTheColony
Mind of the Colony is a mod that transforms your settlement inhabitants from silent workers into living, thinking individuals. This project moves beyond typical gameplay mechanics to answer a simple question: what are your colonists really thinking?
Butchery: Lite
A lightweight version of the Butchery mod.
Player Clone
PlayerClone
Ember's Castles And Keeps
Adds big new castles and towers with traps, enemies, loot and even parkour challenges!
Combat Expansion V4 REWRITTEN
This mod adds new weapons, tools, mobs, mechanics and much more, while maintaining the vanilla style of play and compatibility with other mods.
Returning from the Cenozoic
Creatures of the Cenozoic close to the vanilla style
Block O' Heaven
A parody mod of Avaritia with some JoJo references. This is not a ridiculously broken mod.
More Heads
Adds survival-friendly access to mob heads and player heads, using intentional hoe-based drops to avoid farm pollution and preserve vanilla progression.
Ekipa Mod
The mod adds a lot of different things related to the team, eg. Ice cream of the team and their extensive mechanics, drinks, party CDs, mobs (no nowciax), notebooks, boxes, phone cases and many other things.
Artificer's Armory
A weapon expansion for mage and spellcaster playstyles.
Better Wanderers
Wandering Traders have never been better!
Arda's Ultimate Golem
Arda's Ultimate Golem mod adds a powerful golem to the game, and this golem is a golem that helps you against bosses or creatures you fight.
Stonks
Makes villager pop their head up if you hold something they like
Spicy Species
Adds new foods, nature, mobs and enhances other mods
Engie's Chaos
A mod originally developed by DevEngie on a different platform. A continuation of All About Engie by EngieGames.
THE MAN IN THE SUIT
a mod that adds a popular monster from a analog horror
Skeleton Uses Custom Bow
Let skeletons use custom/modded bows.
Icy's Better Horses
Better Horses transforms vanilla horses into smarter, faster, and upgradeable companions.