If you look at the package.json, it looks like they used electron and vue.js. https://github.com/frappe/books/blob/master/package.json https://github.com/frappe

If you look at the package.json, it looks like they used electron and vue.js. https://github.com/frappe/books/blob/master/package.json https://github.com/frappe/books/blob/master/package.json