(Not for advertising, but for information)

Not so long ago, namely in February of this year, came out (although not yet completely refined) the DPRK's Linux OS "Pulgan pell" (p. The Red Star. Discuss the functionality is not worth it, but share the filling - with pleasure:
1) keyboard input system "Hana"
2) there are built-in games: saper, shark, lines and... logic game (!) Preparation of chemical formulas
3) The Postal Client "Piggy"
Review of the book "My Comrade"
5) Firewall "Phenyan Fortress"
And of course antivirus:
6) Antivirus "Dietel"