Ultimate Inventory & Crafting 5 PRO
Requires Unity 5.3.4 or higher.
It is available at two versions the PRO and the Survival. The Survival is not available yet but anyone who bought the PRO will get an extra discount.This version (PRO) contains:
Inventory with unlimited number of items.
Inventory with unlimited number of slots.
Smooth Drag & Drop
Advanced and easy to extend crafting system.
Unlimited categories & items for the crafting system.
Hotbar system with shortcuts.
Item description panel.
Weight system which affects your player speed.
Audio effects for all inventory actions.
A right click (context) menu.
The code is detailed commented.
Different type of items such as: consumables & equipment.
Items can have durability, and it does decrease on use.
Easy to add slots and extend, the code is done automatically.
Advanced and easy custom inspector
Customization looting system.
Blueprints to unlock more crafting items.
A lot of useful functions for the inventory.
Random item spawner.
Built-in save system with encryption.
Player equipment system.
This version is not a beta one in terms of stability but it could be because one significant feature is not included yet.
The building system, however you can find some files of the building system which are beta.