Forge Mods for Minecraft 1.21
Browse 5,335 free Forge mods for Minecraft 1.21 — popular picks include Flourish, World Pre Generator, Armor Stand Arms (RPG Theme).
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Flourish
Use bonemeal to spread small flowers. Previously known as Flora Doubling.
World Pre Generator
Provides a pre-generator for Minecraft worlds.
Armor Stand Arms (RPG Theme)
RPG Style, Use a command to easily show arms on your armor stands
Player Mobs
Adds hostile mobs that looks like players, works with remote list like Twitch subs

Dungeons and Taverns Stronghold Overhaul
This Datapack, the Standalone version of Dungeons and Taverns Overhaul of the Stronghold, Overhauls the Stronghold from the ground up With 417 Different rooms and 5 sub stronghold types Fair warning, your world will Freeze Upon first Structure generation.
Better Safe Bed
This mod solves the issue of being unable to sleep even when you are safe, due to a random mob lurking in the cave beneath your base.
Hazen 'N Stuff
An Iron's Spells 'n Spellbooks addon adding a wide variety of armor sets, curios, and equipment.
Additional Attributes
Adds additional attributes to the game
Mekanism Curios
Use your portable QIO in a Curios slot!
Heartstone
Heartstones are items which come in sets, and allows for people to find eachother when in the inventory.
Better Tag NBT Tips
Display NBT and Tags in tooltips, and more...
Fetzi's Asian Decoration
This mod adds asian (Japanese, Chinese, etc.) styled roof blocks, pagodas, lanterns and much more!
Tons Of Enchants
Adds tons more enchantments to the game.
Grass Seeds
🌱 Allows players to use normal seeds to transform dirt into (tall) grass.
Cobblemon Unchained
Naturally spawning Hidden Abilities. KOs and/or captures increase nearby shiny rates, and can also give perfect IVs to nearby spawns.
Ears (+ Snouts/Muzzles, Tails, Horns, Wings, and More)
More skin customization options for just about every version + skin backports for pre-1.9 versions. Skinport port patch texture fix
Distant Friends
Player like mobs that look at you from a distance
What's That Slot?
Utility that highlights which items can be placed in an item slot.
LightSpeedRe - Launch optimizations
Reduces your waiting time by loading modpacks significantly faster (currently 48% - 71%)
Compatibility addon for MineColonies
Add compatibility contents between MineColonies and other mods.
Scavenge
Apply a custom Rightclick behavior to any block!
Roost Ultimate [NEOFORGE/FORGE]
Catch, Breed, get Rich!
More Hitboxes
Library mod that adds support for multiple hitboxes that can optionally be controlled by GeckoLib animations
Giant Spawn
🧟♂️ Allows giants to spawn naturally with custom AI (based on zombies) and other tweaks.
WATERViSION: Videoplayer
Record, Watch and Broadcast multimedia in the game using commands
ExtraQuests [FTB Quests]
Addon adds new tasks, rewards and functions.
Create: Applied Kinetics
Applied Kinetics's integration with Create
Accelerated Rendering
Entity rendering optimization mod. Fast vertices transforming and caching using compute shaders.
Better P2P
Advanced P2P managing tool for AE2
Crystalcraft Unlimited Java edition (The Age of Ores)
adds 200+ new ores (if you are playing the newest version), weapons and some armor
MrCrayFish's Furniture Mod (Legacy Continued) + Nosiphus Furniture Mod
Port of MrCrayFish's Furniture Mod (Legacy) to newer versions of Minecraft. Formerly an addon that readded missing furniture to CFM.
The Splash Milk
Milk splash potion should exists.
DarkSleep - RPG Sleep Percentage
RPG Theme, Changes the sleep percentage required of a server to 50% allowing only half the players to sleep to progress the night.
Croptopia Delight
This part of an extensive mod adds the integration of Croptopia recipes with Farmer's Delight and their addons.
CialloBlade
Adds a weapon themed after Senren*Banka to the game.
Dynamic RPG Resource Bars
Animated, adjustable RPG resource bars!