Cockatrice - Cockatrice is an open-source, multiplatform program for playing tabletop card games over a network.
Unixstickers by Sticker Mule - Stickers for fans of unix, software, coding and open source
Hearthstone - Pick up your cards and throw down the gauntlet!
Zimit - Configure price quotes for services
XMage - XMage allows you to play Magic against one or more online players or computer opponents.
Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage