This is Matthias Kirschner's private blog. In my day job, I am the president of the Free Software Foundation Europe (FSFE). I have been involved in Free Software since the late 90ies, so many of the posts here are about Free Software (also called Open Source Software). Recently, in my spare time, I have written the book "Ada & Zangemann - A Tale of Software, Skateboards, and Raspberry Ice Cream", which is available at publishers in English, German, French, and Italian, and translated into Arabic, Valencian, Danish, and Ukrainian (available on the repository) .