Download OpenPref 0.1.3 from our website for free. OpenPref can be installed on 32-bit versions of Windows XP/7/8/10. The most popular version of the OpenPref 0.1. The actual developer of the free program is Konstantin Tokarev. The default filename for the program's installer is openpref.exe. OpenPref is categorized as Games.
From the developer:
OpenPref is an open source implementation of European trick-taking game Preferans against two virtual players.
You may want to check out more software, such as Solitaire Cruise, Solitaire Antics Deluxe or SimiliBridge, which might be similar to OpenPref.