Modelli tagged Formal Letter
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.
Recent

Carta de motivación/presentación.
start of file `template.tex'.
Copyright 2006-2013 Xavier Danaux (xdanaux@gmail.com).
This work may be distributed and/or modified under the
conditions of the LaTeX Project Public License version 1.3c,
available at http://www.latex-project.org/lppl/.
Version for spanish users, by dgarhdez
dgarhdez

Fudan Reference Letter Template (Simple Version)
A Simple Version of Recommendation/Reference Letter for Fudan University
Fanchao Chen

UIOLETTER
Official letters from employees as the University of Oslo.
Dag Langmyhr

HITSZ Letter Template
The letter for HIT(shenzhen)
Li Wenyun

FZU Cover Letter Template
Cover Letter Template for Fuzhou University. Heavily based on the template designed by Brian Wood.
FZU Github Page: https://github.com/GuangLun2000/FZU-latex-template
Hanlin Cai (Lance)

DIN5008 Letter
This template is based on the KOMA-Script class `scrlttr2` and provides a starting point for DIN5008 compliant letters. It was not designed to be pretty, but to explain as many features as possible.
This template is published under the Unlicense (public domain).
T. Schöpping

CityU Cover/Reference Letter Template
Thanks to Fanchao Chen (chenfc@fudan.edu.cn)
olioDuan Fanchao Chen

HKUST LETTER TEMPLATE
A formal letter template from HKUST to the company, person, institute, department and so on.
Boyang Zhang

DIN5008A Letter Template
based on the scrlltr2 class. Address and location field and header were manually set to comply to the parameters of DIN5008A (small letter head)
T.M. Blaha