The Great Register by Robert Bagrit
http://www.bagrit.pl

Site devoted to polish medieval culture. A great web catalogue of Polish re-enactment groups.

FREHA
http://www.freha.pl

Discussion group devoted to Middle Ages. Forum in Polish language.

Preservation and Reconstruction of Antique Weapons - Wojciech Slawinski
http://www.platnerz.com

Site of friendly workshop.

the side of friendly group ( Discussion group) from France "compagnie médiévale les lions de guerre"
http://www.lionsdeguerre.com/