Greetings lovely dev! Exciting news - meet PocketPal: PRO, the new inventory system in town! ๐
Taking inspiration from World of Warcraft
, PocketPal allows you to create items with custom functionality easily, setup vendor/storage actors and manage them (and many more systems) with ease! 
Through its component & datatable based systems and extending documentation, creating/handling an advanced inventory system had never been easier.
Features:
- Slot-based containers
- Drag & Drop functionality between containers
- Adjustable inventory/storage sizes
- Data Table-based item system
- Component-based inventory system
- Loot window system
- Simple chat system (used for loot notifications)
- Pickup system
- Vendor system
- Storage system
- Crafting system, easy to expand upon
- Simple equipment system, easy to expand upon
- Simple currency system
- Items tooltip system
- Actionbar system, aka Hotbar
- Quick actions
- Move items between containers with a single click (by default Right Mouse Button)
- Easy to customize custom logic for items (like health potion, mana potion, readable items, equipment etc.)
- Save and load system
- Clean, optimized, easy-to-understand & commented code.
Demo/Showcase Video:
https://www.youtube.com/watch?v=uBOoaTRyiu0
Ready to create the new WoW? 
Grab PocketPal now: https://www.unrealengine.com/marketplace/en-US/product/f2043a3a2cf9422180883e30e2465b48