Forge Mods for Minecraft 1.21
Browse 14,437 free Forge mods for Minecraft 1.21 — popular picks include Potion Descriptions [Neo/Forge], DragN's 'Just Bettas', M Economy.
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Potion Descriptions [Neo/Forge]
Provides descriptions and tooltips for potion effects !
DragN's 'Just Bettas'
Betta fish and decorative, customizable aquariums... Without the other stuff!
M Economy
Economy system for servers including bank notes, ATMs and player shops!
Backpacked: Shells
Add-on for Backpacked! Adds two backpacks, the natulis shell, and the snail shell!
pv-addon-priority
Server-side Plasmo Voice add-on. A voice activation with configurable distance bigger that the default proximity.
AI Girlfriend
Your intelligent AI companion who actually sees, thinks, and helps - not just another scripted NPC
CS - Complementary Structures
This mod adds some small or big structures to your world that complements the exploration of your world.
Create: Break It All
C:BIA makes most non-natural block breakable with the wrench
Mushroom Fields
This mod adds new types of mushrooms, a new biome and new food
CrimsonSteveApi
An api for improving the usage of vanilla animation system mainly
Avaritia Tweak
Recipe editor for Re:Avaritia!
Block Entity Wrench
Add wrench to save block entity data etc
Only Paxel
Only Paxel is a mod that allows you to craft a tool which can be used as a pickaxe, axe or shovel
Villager Fisherman’s Hut
Adds a Villager fisherman hut to the plains biome
Book of Familiars
Adds a Familiar Book item that allows players to store their tamed creatures.
Immortality Mod
A Minecraft mod that makes you immortal
MobEffectsVFX
A client-side, highly configurable mod that adds simple 3D VFX on effect application!
cut down trees
This mod is useful when collecting wood. to cut down trees become easy
Aotake Sweep (竹叶清)
An elegant sweeping tool that clears unwanted items and mobs — manually, automatically, and with full configuration support.
Vine Clipper
Allows clipping Vines to stop spreading.
Simply Screens
Simple screens that display images from local files or the web.
Flat EXP Costs
Enchanting and using the Anvil costs the same amount of EXP, no matter your level
HologramPanel
supply multi information and direct interact at same time for block, entity and item
Repurposed End
I have added 3 new mobs including a new wither, skeleton , and wither skeleton, a new item called dragon scale which the ender dragon drops on death, can make new tools sets of armor and more with it.

Omnilook
freelook/perspectivemod but cooler
Tom's Cobblemon
A Cobblemon pack with Immersive Engineering as the main tech mod, no tool durability and a vast world to explore!
Steamatic Reforged
Steampunk-style vehicles, guns and cosmetics!
Greek Villager House
Adds a Greek-style villager house to the Savanna biome.
Trims Begone!
This is a simple mod that allows players to take trims off of armor and receive the trim and trim resource back in their inventory
Flatter Entities
Makes entities render in 2D
Delivery Pigeons
Make pigeons deliver items for you!
Epic Fight - Particles On The Blades
Let your enchantments envelop the blades of your weapons in particles!
Spawner Tweaks
Allows you to configure spawners
Featurify - WorldGen Control
A worldgen configuration mod that eliminates the need for datapacks. Add, disable, replace any feature, replace, disable any biome with another biome.
In the depths
A mod that adds a gigantic creature to the deep oceans of Minecraft.
Item Protection Enchantments
Adds enchantments to protect items