Forge Mods for Minecraft 1.21
Browse 5,335 free Forge mods for Minecraft 1.21 — popular picks include Enchant With Mob, Smooth Movement, Wetland Whimsy.
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Enchant With Mob
add Enchanter and Mob enchant From Minecraft Dungeons
Smooth Movement
Smooths entity movement for server and network lag
Wetland Whimsy
An overhaul of Minecraft's swamps, adding new trees, a whole new biome, and plenty of secrets to explore!
Horses can Swim
Makes horses swim through water when ridden by players
Sapling Tweaks
Adds the ability to craft and crossbreed for saplings
SDM Shop [Forge/Fabric]
A multifunctional shop for creating an economy on an modpack or server
Busy Villagers
Make Villagers work overtime and nightshifts by removing their sleep schedule
Create: Totem Factory
Adds a complex crafting recipe for the totem of undying, with multiple steps and items, using "Create" and "Create Enchantment Industry".
Some More Blocks
A Minecraft Mod with 500+ new blocks.
Iglee's Library
This is the lib for all iglee42's mods
Create: Schematic Checker
A mod for fix all schematic problem from Create and addon!
Hidden Names
Hide and customize other player's names with commands
Astral Dimension
Explore 2 magical dimensions shaped by the will of a multidimensional being.
Factory API
An API that supports different mod loaders and is the basis of mods like Factocrafty
Set World Spawn Point
🌎 Allows setting an exact custom spawn point for (newly) created worlds and spawn tweaks.
Jaden's Nether Expansion Delight
Adds 30+ foods, linking Jaden's Nether Expansion and Farmer's Delight in a Vanilla style.
Effectual
Atmospheric effects and decorative particles.
Ghosts
Adds ghosts to Minecraft!
Lucky TNT Lib
The Library Mod to the Lucky TNT Mod!
Fishing Overhaul
Adds a minigame to fishing
Damage Numbers
Adds simple damage number particles when any entity takes damage
Pigsteel [Forge]
A nether variant to iron

Smelting Plus
Smelting Plus is a simple data pack for Minecraft Java that allows for better recycling when you melt your found or crafted items. Instead of only receiving a gold or iron nugget, you will now receive an ingot.
GUI Compass
🧭 [Client] Shows direction and coordinates in the GUI/HUD with a compass in the inventory.
Colorful Azaleas
Adds color to your Azaleas and more!
Daily Dad
A dad joke whenever you join a world
ProjectExtended
ProjectExtended is a mod that adds features to ProjectE that EE2 would probably have had it been made in modern times.

Tool Trims
Now in beta for v3.0, with Spear trims and a better way of trimming with the vanilla Smithing Table. There are almost 2000 trim combinations!
Loot Integrations: Hopo Better Mineshaft, Ruins & Portals
Adds better loot to Hopo's Better Mineshaft, Ruins & Portals chests, including modded loot
Underwater Enchanting
🌊 Allows the use of the enchantment table under water with maximum levels via bookshelves.
What's Your Build
Manage your Equipment in a brand-new way!
One Enough Lib
A Lib for simplified development of the OE series
TLib
Library for Take's Mods.
Starcatcher
A fishing overhaul mod with 100+ fishes, and a ton of new fishing related content
FiveHead
Allowing you to combine heads to have a bigger head
[Axanthic Studios] Lands of Icaria
AGS presents: A vast new dimension inspired by ancient Greek and Egyptian mythology.