Connected Chests
Hybrid Dog

Allows making bigger default chests.

Itemshelf
zorman2000

Generic item shelf with 3D items on display

Basket
1F616EMO

A portable basket for carrying large amount of items (= Shulker Boxes)

Portable Chests
Bob64

Portable chests you can pick up even when there are items inside.

Safe Chest
Atlante

Add a safe chest with secret password

My Regen Chest
Don

Spawns items when opened and will not again for determined amount of time