Modular backpacks focuses entirely on one backpack and making that the best it can be.
Instead of direct upgrades, backpacks use a swappable module system that lets you build your own backpack tailored to your playstyle.
Enchantments can even change how your backpack functions entirely.

This mod is primarily designed to be an in-depth and (somewhat) balanced alternative to other backpack mods, with some more Vanilla-esque design mannerisms.

  Features

   Backpack

• Backpack with 9 slots of storage and 4 module slots
• Each module slotted shows visually on your backpack for you and others
• Dye and Trim support for backpacks
• Backpack dye color changes the color of its GUI
• Elytras and Create Goggles are supported in module slots

8 different modules

• Pouch - standard storage module

• Farming Pot - allows for portable crop growth

• Quiver - stores arrows and imbues them with the effects of inserted suspicious stew

• Buckler - provides armor to make up for the lack of a chestplate

• Sack - can store one type of item in bulk

• Cooking Pot - smelts items very slowly but at no fuel cost

• Echo Pouch - module equivalent of an ender chest (can hold shulker boxes, unlike other modules)

• Climbing Gear - allows you to climb on and jump off of walls

  (most modules have at least 1 upgrade)

4 Backpack Enchantments

• Linking - worn backpack stays on death (treasure loot found in Ancient and End Cities)
• Back Protection - significantly reduces damage from behind
• Rationing - extra hunger you don't have room for is stored and fed back to you when out of combat
• Packing - your base backpack inventory now works like a very large bundle

Mod Integration

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• Curios

• Farmers Delight (and various Farmers Delight addons) 

• Neapolitan 

• Serene Seasons

• JEI

• Create

• Various modded trim materials are partially supported

• Various modded elytras are partially supported

• Modded trim textures can be added with Resource Packs

• Farming Pot recipes (including what seasons crops can be grown in) can be entirely changed or even added (for unsupported mods) with data packs

• Config exists for storage sizes, changing functionality, and disabling modules/enchantments entirely

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  Trailer and Testing help from:
  HoneyVee

  Testing help from:
  sh3fan
  pyrodisc
  pikachuuuuuu
  BearPolice

This mod was partially inspired by my personal favorite backpack mod, Beans Backpacks
Join the mod Discord to report issues, suggest new features, or ask questions. I only had a handful of testers so I apologize for any jank in advance.