Yet another backpack mod this time with backpack you can place in world, color in different color combinations, upgrade with more inventory and enhance with many functional upgrades

Library mod for Sophisticated mods

Storage mod with multiple tiers and functional upgrades

A Sophisticated Storage add on which allows using storage blocks with minecarts and in the future with other entities

Full Featured Sophisticated Storage on Create Contraptions

Sophisticated Backpacks on create contraptions

Many magical items to help you in your minecraft world