Email template builders?

[Lesaq]

Do you know some good services which can help me with creating some good email templates for marketing purposes?

[SamNeels]

I can recommend you Chamaileon. A good one.

[Mooriss]

I use this one https://stripo.email/ very comfortable and intuitive. You don't need to have some strong skills to make stunning emails. Also there you can find many free ready-made professional templates.