https://github.com/Hotell [current]
https://github.com/spseol/PRG-No [current]
https://github.com/honzasladek [current]
https://github.com/PepaRokos/fakturoid [current]
https://github.com/tomaskala/pandas-intro [current]
https://github.com/jansvabik/chciples [current]