Minecraft Java 1.21 Mods
Browse 136 free mods for Minecraft Java 1.21 — popular picks include Reliquary Reincarnations, Inventory Pets, RSInfinityBooster.
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Reliquary Reincarnations
Many magical items to help you in your minecraft world
Inventory Pets
Inventory Pets are living animated creatures that exist in your inventory and give you amazing special effects, drops, buffs, utilities, defenses, and weapons in exchange for care and feeding.
RSInfinityBooster
Added Infinity Range Card
AEInfinityBooster
Added Infinity Range Card and Dimension Card to AE2
DimStorage
DimStorage with DimChest and DimTank
Sophisticated Storage in Motion
A Sophisticated Storage add on which allows using storage blocks with minecarts and in the future with other entities
NiftyCarts
A Fabric Port of the AstikorCarts mod. It adds carts for travel, shipping and farming.
Large Fluid Tank
Max 1048576000mB per a tank
Tank Storage
A portable tank that can store multiple fluids.
Astikor Carts TFC
Making Astikor Carts compatible with TFC!
[SBM] Cardboard Boxes
Too lazy to move the slow way, then box it
Large Fluid Tank for Fabric
Adds some tanks
[FVTM] Fex's Vehicle and Transportation Mod
A vast addon-based mod allowing you to create Vehicles, Containers, Items, Blocks, Food/Drinks, Clothes and more!
Omni-Hopper
Break free from the constraints of normal hoppers. Experience true item transportation freedom.
RPG Backpacks
Adds backpacks with different storage capacities for carrying more items.
ae2helpers
Small addon for AE2 for 1.21.1. Adds the option to auto-import pending crafts in the crafting terminal. Also adds a "Crafting Result Import Card" item.
Self-Sustainable
Real survival, scarcity, very rewarding. Are you ready?
TFC Astikor Carts
Adding compatibility between Astikor Carts and TerraFirmaCraft
Contact: LoveRekindled
Send parcels and write postcards to your frineds.
Chestpack Backpacks
Simple, vanilla friendly backpacks. Pick up and carry chests!
Companions - Dogfolk
Adds cute little helpers into the game to assist you in combat or by simply carrying your items.
Haul
A datapack thats lets you pickup and carry chests and barrels! Move your storage with ease!
[🎄] Seasonal Decorations
Decorate your world for Halloween with spooky candles, carved pumpkins, coffins, and eerie details to bring true haunted atmosphere to Minecraft.
Create: EasyFilling
Create: EasyFilling lets you fill CS'NA (Create Stuff 'N Additions) filling tank items directly via the Create Spout. Supports small/medium/large tanks, tooltip friendly, lightweight, server-client compatible.
Network Tool Plus
AE2 Network Tool enhancement mod with auto card collection and 21 upgrade slots.

JoaCarpet
A small carpet extension mod with useful features for redstone and storage tech (+some minor survival tweaks)
CleanContainer
CleanContainer helps you to sort your inventory and your containers, such as chests, barrels, shulkers, minecartchests and enderchests.
Carry On Throw Addon
Adds a fully-featured Throw mechanic to the Carry On mod - allowing players to throw carried entities with physics-based velocity, charge time, obstacle detection, client-side toggle, configurable cooldown, and more.
Adventurer's BackPack
Adventurer’s Backpack adds magical, upgradeable backpacks for survival. Carry more, protect key items, place your pack in the world, and customize it for mining, building, and exploration without making survival feel like creative mode.
Cobblemon: Trainers Backpack
Cobblemon + Sophisticated Backpacks Integration. Adds backpack upgrades such as the PC Upgrade, Smart Heal Upgrade, and Campfire Pot Upgrade.
Cart Counter
a simple mod that counts your tnt minecarts that is in your inventory
Minecart Trains
Link minecarts to trains like it should be possible in vanilla!
Mob Pouches
Pouches to carry mobs, just like bucketed fish.
Universal Blocking
🗸 Ultimate server-side control mod for Minecraft. Block any item, block, craft, or mob spawn using 11 configurable flags, wildcards, and tags. Hide items from Creative tabs and JEI and etc.
oSzoukaua's: Re-place!
Allows you to place down raw fish, and minecarts just like how you would an armor stand or a boat! ^-^
IDCardM
A lightweight mod that introduces player ID cards with data storage, networking, and GUI support.