This all for roblox studio, all write with lua code, for someone who too lazy to create open gui script this module and plugin will does great help to you, anyway this module still v0.1 can't do much ...

The Dialogue Maker is an open-source plugin for creating RPG-like dialogue boxes for NPCs in your Roblox game! It comes with a GUI that allows you to add messages and player responses to your NPCs.