Inventory Pets by A_Villager, Capn_Kirok
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. Plus, some pets, such as the Purplicous Cow, are especially handsome. This first release contains 32 awesome, unique pets with mind-bending skills and fancy tricks.
Inventory Tweaks by Jimeo Wan, Kobata
Tweaks to inventory handling for ease of use, including sorting and automatic replacement of broken tools or exhausted stacks of items.
Inventory Vehicles by Antikore, MCreator
Vehicles you can carry in your inventory and use them with fuel to do some work easier, mainly traveling from one place to another