Hello!

Official POOL
http://seed.plncoin.org/

Official P2Pool
http://p2p.zaplnc.pl:9133/

Unofficial POOL
http://polish-altcoins.org/

Unofficial P2Pool
http://rav3n.dtdns.net:9133/

Market:
https://www.bitorado.com/transaction/pl/11/PLNC-BTC/

Info:
http://coinmarketcap.com/currencies/plncoin/