OpenPref is an open source implementation of European trick-taking game Preferans (http://en.wikipedia.org/wiki/Preferans ) against two virtual players. Currently it allows to play Sochi version of Preferans, allowing to change some game conventions. OpenPref is under heavy development and it needs your help – join us now!
Latest release of OpenPref is 0.1.3. You can download OpenPref for free here!
OpenPref is based on source code of KPref project by I. Azarny, OpenPref 0.1.0 by Alex Fedotov, and openpref-qt4 by Ketmar Dark. At this moment OpenPref is developed by Konstantin Tokarev (a.k.a. Annulen) with support of small community.