netjatafl is a hnefatafl server and client system, allowing tafl players to join in networked games of tafl. Using a standard network protocol, new clients can be written for any platform. Clients in C++ and PHP/Javascript are included.
This sofware is designed to help different chess clubs to set up their own rating system. It uses USCF approximation formulas for rating calculations. Working example at newarkcc.vfutbole.ru