Looks like it uses some Illuminate (Laravel) components: https://github.com/flarum/core/blob/master/composer.json https://github.com/flarum/core/blob/master/com

Looks like it uses some Illuminate (Laravel) components: https://github.com/flarum/core/blob/master/composer.json https://github.com/flarum/core/blob/master/composer.json