Forge Mods for Minecraft 1.21
Browse 89 free Forge mods for Minecraft 1.21 — popular picks include Keep XP On Death by Juix, Cave Dweller Overhaul, Goiler Weaponry.
Updated daily
Keep XP On Death by Juix
Datapack that lets you save your XP on death, without KeepInventory. Fully customizable ! (Milestones, Recovery percentage, or Fixed XP loss)
Cave Dweller Overhaul
Overhauls the Cave Dweller with improved AI, features adapted from the original and Bedrock versions, plus some new additions
Goiler Weaponry
Unique Weapons for an exciting Minecraft Experience
Slow Mining
Reduces mining speed, making progression slower and more realistic.
Rare Villages
RareVillages makes villages significantly rarer than vanilla Minecraft.
Torridium
A mod that allows torches to set your wooden houses on fire!
XP 2 items
trade your xp to get randomly selected items
Simple Gravity Changer
This datapack adds a function to change the gravity of the world.
Random Effects
Every Chunk has a random effect signed to it
Fall Effects
Adds cosmetic particles when landing from a certain height.

Sandblast
Make glass in a blast furnace!
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?
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.
Firearms
Resident Evil 4 inspired Firearms for Minecraft.
Craftable Light Blocks
Vanilla friendly light block crafting recipes, available as a mod / datapack format.
Arrow Rider
Shot an arrow and ride on it thanks to an enchantment

Peaceful Plus
Beat the game in peaceful mode!
TESTIFICATE (TBS) HORROR
something with villagers seems a bit off...
Random Foxy Screamer
This mod adds a one in a million chance of a Foxy screamer from FNAF appearing at any time while playing.

Copper Essentials
Craft everyday items such as buckets & saddles using both copper and iron.
Magic 8 Chat
A fun and portable magic 8 ball inside your Minecraft chat!
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
Chaos Chickens
Unpredictable Chaos Chickens ready to ruin your day.
World Customizer
This mod brings back a feature that was removed in the 1.13. The world customization Screen when creating a world
sanwichstats
Craft consumables that allow you to change your stats & gain interesting abilities (for a price).
Sloths Display Entity Editor
Create, modify, and delete Block and Item displays, even in survival!
Rare Villages (Terralith support)
RareVillages makes Villages much rarer than they are in vanilla Minecraft. Now with Terralith support!
DEXHUNT
A Minecraft PvP mod inspired by Dexter, where players must find and hunt hidden killers.
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.
Trip On String
Gives a chance of tripping when stepping onto a tripwire block.
Glintless Books
Remove the enchantment glint from written books

Flaming Snowballs
Makes snowballs turn into small fireballs when on fire. Works with flame enchantment.

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