Forge Mods for Minecraft 1.21
Browse 5,334 free Forge mods for Minecraft 1.21 — popular picks include Carry On Extend, Tomtaru's Cobblemon & Immersive Engineering Tweaks, Chest Search Bar.
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Carry On Extend
Throw out the entity or blocks you are holding
Tomtaru's Cobblemon & Immersive Engineering Tweaks
A mod that aims to integrate Cobblemon with Immersive Engineering
Chest Search Bar
Adds a search bar to containers
Async Logger
Asynchronous logging and efficient filtering - performance improvements and utility for keeping your logs clean

Enchanted Golden Apple Addition
Add recipes, advancements,... for enchanted golden apples.
Loot Integrations: Medieval Buildings & End & Nether
Adds better loot to Medieval Buildings & End structures chests, including modded loot
Saro´s Road Signs
Adds functional traffic lights, speed signs, stop signs, and custom sign packs with 3D models and sounds. Pairs with Saro's Road Blocks for complete road infrastructure.
Reliable Recipes
A lightweight utility for recipe and tag manipulation via simple JSON configuration!
Litematica Tool (Forge and Fabric)
this mod adds a simple item into the game which can be used instead of a stick in litematica. (1.17)

X-Ray World Generation
Not an x-ray mod! A datapack that makes normal worlds only generate air, except for blocks you would commonly see with x-ray.
Swaying Garden
Easily enables modded plant blocks to sway with shader effects.
Mekanism Pipez Fix
Fix a bug where Pipez disconnects from Mekanism multiblocks.

Sky Artifacts (Change Weather & Time)
Change Time, Freeze Time, Stop and Start Rain & Thunder with powerful Artifacts!
Pixelmon Plus+ The Top Pokemon Experience in Pixelmon - Fully Optimized - Best Pixelmon Server - All Pokemon
✅ Pokemon + Minecraft in Pixelmon, Generations 1 - 9 Confirmed ✅ Start your Pokemon journey the right way, with thousands of custom textured Pokemon to catch and hundreds of features to keep yourself entertained in Pixelmon. Multiplayer server included.
KubeJS Nature's Aura
KubeJS integration for Nature's Aura
Create: Better Create
Unusual recipes and creative creations
Elliemore's Deep waters
Mermaids dimension
Wizard Tower
Adds a Wizard Tower along with a new wizard mob mini boss
Paintings N' Discs Backport
Backports the new 1.21 paintings and music discs to older versions!
Ramadan Delight (Farmers Delight Add-on)
An addon for Farmer's Delight that adds traditional Ramadan dishes from different countries and decorative blocks.
TagTooltips
Adds a keybind to show an item's tags in its tooltip. Handy for tag-based sorting systems and debugging!
OneKeyMiner(Neo)Forge and Fabric| Vein Miner | Chain Vein
This mod adds the ability to chain tools to break blocks and chain farming while holding down the chain button. If you break a block, the adjacent blocks will be destroyed together, or if you hold a seed, the adjacent farmland will also be planted.
Fancy Entity Renderer
I'm a fancy GUI!
Apothic Category Compat
Adds Apotheosis loot category compat for Cataclysm, Twilight Forest, Epic Fight, Forbidden Arcanus, Traveloptics, Lands of Icaria, and more.

Mob Heads
All mobs can drop their head. All baby heads, 3072 tropical fish variants & more
Create: More Chocolate
Adding more chocolate into create mod
Homesteads - Villager Expansion & New Professions
Homesteads is for the villagers who would prefer to forge their own path in the wilds. This mod adds 5 new Villagers, the Beekeeper, The Lumberjack, The Trapper, The Prospector and The Forager. As well as a variety of new structures for them to inhabit.
Curvy Pipes
A logistics mod that adds non-block based pipes that can have arbitrary curved shapes
ZoomLens | formerly Zoomify!
ZoomLens - mod with adjustable zoom option.
Swamp Boat
Adds a villager swamp boat to the mangrove swamp biome
Simplest Hammers
Tiered hammers capable of mining in a 3x3 area

Sit Anywhere!
Sit anywhere you want! Look down, double tap sneak and right click and you sit. As easy as that. Or you can just sit on stair/slab or via "/trigger sit". Work on vanilla servers, or any other setup.
Animal Garden - Porcupine
Adds tamable porcupines into the game, that will fight and protect you.
Create: Chimneys
Adds chimneys with smoke particles for the trains from the Create mod.
SVDialog
A Stardew Valley structured dialog mod forked from VNDialog
Ycurrency
The better money system to multiplayer server or singleplayer