This is the website of the Programming Group at the University of St. Gallen. It is using Jekyll, hosted on GitHub, and was originally based on the al-folio theme, which is based on the folio theme.
The key command is:
bundle exec jekyll serve
Make sure you setup your system as instructed here.
The website code and theme are available as open source under the terms of the MIT License. All content, including texts, blogs, images, and articles, are licensed under CC BY-ND 4.0, if not stated differently within a document or its nearest parent LICENSE file.