When in comes to Laravel packages, the guys at https://spatie.be/ are probably the kings. They have hundreds of free packages you can pick from and use into your projects.
Now let's talk about permissions because if you're building a large Laravel app you definitely gonna need them. As a quick example, let's think of an admin panel with different user roles where each role has specific permissions.
By default, the package comes with a super-admin role published into your database using the default migration.