You can make the whole website design in Affinity Designer in quite more elegant way than Photoshop. You can export it to PSD, but there’s an issue – texts are outlined which make developers quite frustrated.
I found one way how to prepare PSD until now, it’s not elegant, not always perfect, but it’s easy to do it. Unfortunately you still need Adobe Illustrator. I have my CS 5.5 so i was working on this version. Read more