DEPENDS ON ProtectionStones [Updated for 1.17+] | SpigotMC - High Performance Minecraft as the engine (current supported engine at the moment, more are planned in the future).
DEPENDS ON BlobLib | SpigotMC - High Performance Minecraft
This plugin adds UI interfaces to such type of engines!

QUICK INSTALL:
Everything is customizable. GUIs/UIs/Inventories can be 100% customized. Everything is translatable. You can also customize sounds (optional sound whenever doing actions in the inventories).

COMMANDS:
We have a Discord server: http://discord.gg/UTHreTRs3S
We give freemium support in the following languages: English, Español.
Feel free to join!