What does the project name mean? My first idea was OpenPoker, but this name is already occupied by another project and I thought it would be a rather boring name like YAPG - yet another poker game.The raise of pots in each round is also limited. It is not just entertainment and hobby, but it is also a kind of sougce, business, and way to earn money. We decided to keep the donation link on the right side-bar though. When browsing this website with IE6 everything looks terribly broken. Well, HoldingNuts' interface aims to be as clear and plain as possible. To answer your specific question about open source poker software, I don't believe there are any real-money sites using an open-source client, but I may be wrong and just haven't been able to find them. Sign up using Facebook.