When writing a formal or business letter, presentation style and format is key to making a good first impression. These templates provide excellent examples of how to structure such a letter, and include sample content to act as a guide to layout.
English version of the letter template, according to the School of Electrical Engineering of Swedish Royal Institute of Technology (Kungliga Tekniska Hogskolan, KTH) rules.
This template was originally published on ShareLaTeX and subsequently moved to Overleaf in October 2019.
Basic template for German letters according to the DIN 5008 standard
It is building on scrlttr2, so everything should be pretty much self explaining.
For contributing, see https://github.com/ckuenzle/din5008-letter.