You are right, it is not Electron, I mixed it up because it is anyway the same idea.
> Written in Python using the Flask framework for the backend, and Javascript/jQuery/Backbone for the frontend, it can easily be deployed as a WSGI application for multiple users in practically any network environment. A small runtime application allows it to be run as a desktop application - this is a Qt executable that incorporates a Python interpreter and web browser along with the main application in a single package that can be installed on a developer laptop as with previous versions of pgAdmin.
> Written in Python using the Flask framework for the backend, and Javascript/jQuery/Backbone for the frontend, it can easily be deployed as a WSGI application for multiple users in practically any network environment. A small runtime application allows it to be run as a desktop application - this is a Qt executable that incorporates a Python interpreter and web browser along with the main application in a single package that can be installed on a developer laptop as with previous versions of pgAdmin.
https://pgsnake.blogspot.de/2016/04/pgadmin-4-elephant-nears...