6 Sites in Polish [pl]

Cases

by Grzegorz Śliwiński

en pl

Not only about encountered programming cases.

testerembyc.pl

by Maciej Kusz

pl

Blog about software testing (sorry but only in Polish language)

Satkas Blog

by Satkas

pl

IT, Open Source, Linux, etc

Chris Warrick

by Chris Warrick

Source

en pl

The home page and blog of Chris Warrick.

Adam Chyła

by Adam Chyła

pl

Personal blog about programming.

/var/log/bpiotrowski

by Bartłomiej Piotrowski

Source

en pl

Journal of Arch Linux developer, primarily in Polish.