Joel Reymont's GPL OpenPoker

(as packaged by Zach Beane)

Joel Reymont wrote a poker client and server and released it under a GPL license. In early 2007, he decided to withdraw the source from his site and offer it for sale for 10,000 EUR.

Here are the last GPL releases I could find online:

I have no idea if these programs work together, or even if they work at all. I'm just providing them here for convenience.