Forge Mods for Minecraft 1.21
Browse 92 free Forge mods for Minecraft 1.21 — popular picks include Slow Mining, Rare Villages, Goiler Weaponry.
Updated daily
Slow Mining
Reduces mining speed, making progression slower and more realistic.
Rare Villages
RareVillages makes villages significantly rarer than vanilla Minecraft.
Goiler Weaponry
Unique Weapons for an exciting Minecraft Experience
SimpleMimics
This Mod adds Mimics that can copy a players Skin, Nametag and Voice Via Simple Voice Chat, Ideal for Servers
Torridium
A mod that allows torches to set your wooden houses on fire!
Simple Gravity Changer
This datapack adds a function to change the gravity of the world.
Fall Effects
Adds cosmetic particles when landing from a certain height.
XP 2 items
trade your xp to get randomly selected items
Random Effects
Every Chunk has a random effect signed to it

Sandblast
Make glass in a blast furnace!
TESTIFICATE (TBS) HORROR
something with villagers seems a bit off...
Better Entity Control
Take full control over mob and projectile attributes — modify health, damage, speed, armor, knockback, scale for mobs, and damage, speed, gravity, knockback for projectiles, with commands in Russian and English.
Colly SMP [NO LONGER UPDATING]
The Official Datapack used in the Colly SMP, no changes, no tweaks, THE REAL DEAL!
Succession
What if the world remembered what you did to it?

Peaceful Plus
Beat the game in peaceful mode!
Firearms
Resident Evil 4 inspired Firearms for Minecraft.

Copper Essentials
Craft everyday items such as buckets & saddles using both copper and iron.
Rare Villages (Terralith support)
RareVillages makes Villages much rarer than they are in vanilla Minecraft. Now with Terralith support!
Arrow Rider
Shot an arrow and ride on it thanks to an enchantment
Contrasting Curses
Adds a collection of unique curses spread across all types of equipment with interesting tradeoffs encouraging interaction with cursed gear
Max Protection III
Caps the max level of Protection to Protection III
Magic 8 Chat
A fun and portable magic 8 ball inside your Minecraft chat!
World Customizer
This mod brings back a feature that was removed in the 1.13. The world customization Screen when creating a world
Random Foxy Screamer
This mod adds a one in a million chance of a Foxy screamer from FNAF appearing at any time while playing.
Chaos Chickens
Unpredictable Chaos Chickens ready to ruin your day.
Cloak Of Invisibility
Craft a mystical cloak that grants the wearer complete invisibility. Perfect for stealth missions, pranks, or avoiding that one Creeper at your front door.
Sloths Display Entity Editor
Create, modify, and delete Block and Item displays, even in survival!
sanwichstats
Craft consumables that allow you to change your stats & gain interesting abilities (for a price).
Slimes Everywhere
Allows Slimes to spawn at night in any biome
Trip On String
Gives a chance of tripping when stepping onto a tripwire block.
Garfeldi [Cobblemon]
Back in 2024, I made an April Fools' addon for Cobblemon just called "Garfeldi", ironically posted to the Cobblemon server on April 2nd. I found the files, like, 10 minutes ago, made minimal changes, and decided to post it to Modrinth.

Flaming Snowballs
Makes snowballs turn into small fireballs when on fire. Works with flame enchantment.
Glintless Books
Remove the enchantment glint from written books
DEXHUNT
A Minecraft PvP mod inspired by Dexter, where players must find and hunt hidden killers.

Death Time Ban
A Datapack that lets you ban players for a customizable period of time.
Teleporting Ender Chests
Makes ender chests teleport when you aren't using silk touch