"Letters" is an application for writting professional looking letters easily. The author doesn't have to care about the receiver's information, addressfield positions, letter layout etc. anymore, he/she just selects the receiver from the stored client/contact persons, chooses a letter template and writes the letter's content.
Python developers can easily create new letter templates. Maybe there'll be a template writing guide in the future...
The program provides a tabs based interface with three parts: