KOMA-Script
KOMA-Script is a bundle of versatile LaTeX classes and packages
KOMA-Script provides drop-in replacements for the LaTeX standard classes article, report, and book. These KOMA-Script classes scrartcl, scrreprt, and scrbook are much more configurable than the standard classes.
Additionally, KOMA-Script provides a completely new designed letter class that is also very versatil. Predefined setting (letter class options) are available, e.g., for German letters, US-American letters, Swiss letters, French letters, and Japanese letters.
There are several...