Download of XSkat 4.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free Mac application is Robert W. Kuhn. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
XSkat lets you play the card game Skat as defined by the official Skat Order on any Un*x machine running X11.
Features:Single- and multiplayer mode. Playing over LAN or IRC. Game lists and logs. Three types of scoring. English or German text. German or French suited cards. Selectable computer playing strength. Pre-definable card distributions. Variations: Ramsch, Bock, Kontra & Re,...