OpenPref 0.1.3 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free software is an intellectual property of Konstantin Tokarev. The most popular version among OpenPref users is 0.1.
OpenPref is suitable for 32-bit versions of Windows XP/XP Professional/7/8/10/11. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The program lies within Games, more precisely Card. The program's installer is commonly called openpref.exe.
From the developer:
OpenPref is an open source implementation of European trick-taking game Preferans against two virtual players. Currently it allows to play Sochi version of Preferans, allowing to change some game conventions. OpenPref is based on source code of KPref project by I. Azarny.
You may want to check out more software, such as Tongits, Double Deck Pinochle or Magical Cangkul Tournament, which might be similar to OpenPref.