Forge Mods for Minecraft 1.21
Browse 816 free Forge mods for Minecraft 1.21 — popular picks include Mechanical Millstone, Death Swap, Nice Mobs.
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Mechanical Millstone
Use Create to drive the Millstone in Kaleidoscope Cookery.
Death Swap
DeathSwap, a minigame where you swap positions with other players every 5 minutes and use this mechanic to kill them! [Compatible with 2-8 Players]
Nice Mobs
Bringing in a vast variety of vanilla-style mobs and variants, each with their own quirks and abilities, to make your world feel more alive.
[CLOSED] - Stonecutter Salvage
Salvage items in the Stonecutter
[Reforged] Accurate Block Placement
makes placing blocks a smooth and reliable process when holding right click.
Sleepless
A gameplay-changing horror datapack for Minecraft 1.20.1-1.21 Inspired by TheLibrarianYT
Boats Motion Rework (Climb Stairs, Slabs, and Ice)
Datapack that allows for Boats and Minecarts to travel up stairs, slabs, and Ice for ice boat racing
VillEdit
Create custom villagers with the VillEdit datapack! This is an easy custom villager creator which works without mods.
Compatible Protection Enchantments
Makes all the protection enchantments (protection, blast protection, fire protection and projectile protection) compatible with each other.
Classic Lucky Blocks
Adds the classic styled lucky blocks to minecraft!
777
All your gambling dreams can now come true in survival Minecraft!
Re vault
Allows vaults to be reopened after a configurable cooldown.
Bucketable
Put any mob into a bucket! Completely customizable!
Cybernetic System
An industrial mod in the style of the "future", which allows you to improve your genes, create implants and even create weapons. You can become a cyborg and improve yourself in different ways and use your abilities for Energy.
Woodcutter
The "Woodcutter" Data Pack adds the ability to cut all wood types with the Stonecutter.
Floating Items Enchanting Table
Enchanting Table animations to feel the magic
Create: Buzzy Bees
Place your schematics with the help of the Mechanical Bee.
ByteBuddies
Meet the ByteBuddies, your loyal mechanical helpers built to make life easier and more fun. Whether you’re farming, mining, hauling loot, or need a defense detail, there’s a Buddy for every job.
Adventure Mode Tweaks
🏰 Various Adventure Mode mechanic improvements! Paintings, Item Frames, Minecarts, Boats and more.
Compatible Sword Enchantments
Makes sharpness, smite and bane of arthropods compatible with each other.
Simple Revive
Get Downed instead of Dying so your friends can Revive you!

Unoriginal
A simple datapack that removes all base origins added by the Origins mod
Dream's Compass
This datapack or mod allows you to enjoy the game of speedrunner vs hunters
Shulkers Drop Two Shells
Shulkers can drop 2 shulker shells, instead of one
Injured Effects
This mod adds effects to being low on HP! This applies to players, aswell as humanoid entities like villagers, illagers, and piglins!
Totem of Infinity
God powers
pv-addon-broadcast
Broadcast your voice to all players in the radius, world, server, or proxy.
Bedrock Bridging
Adds a Bedrock-like bridging functionality to Java, complete with a toggle feature
Anointed Items
Adds a mechanic to add attributes to gear! (maxhealth, attack speed, and more!)
Silk Touch Spawners
Allows for the removal and replacement of any spawner blocks
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
Haul
A datapack thats lets you pickup and carry chests and barrels! Move your storage with ease!
Lodestone Update Backport
Backports the new lodestone recipe and features from 1.21.5: Cheaper recipe, new ruined portal loot table, and tweaked advancements.
Banner Text
Adds letters, numbers and symbols as banner patterns.
MC Calamity
A datapack that attempts to recreate the Terraria: Calamity Mod
Pickaxe Effective Light Source Blocks [PurpurPack]
Adds light source blocks like glowstone to the pickaxe mineable tag, allowing them to be broken faster