Customizable formal letter template with a header.
It allow you to choose color theme, optional personal information (contact, picture, etc.) in header, and information with respect to:
English conventions (address and date at right and recipient information at left);
French conventions (address and date at left, and recipient information at right).
If you use the letter template for a cover letter, then you can find a CV template which match with it, look for Arthur-CV template on Overleaf or on the following GitHub link.
More details and source files are available on GitHub.