Rectangle (https://rectangleapp.com/ https://rectangleapp.com/) is Spectacle's successor, works great, and its source is available as well (https://github.com/r

Rectangle (https://rectangleapp.com/ https://rectangleapp.com/) is Spectacle's successor, works great, and its source is available as well (https://github.com/rxhanson/Rectangle https://github.com/rxhanson/Rectangle).