There are several things moving on arianne right now:We have setup a wiki to write several docs, if you think you can help us, please do it. Wiki link Marauroa is moving also in a secure strong way, we are improving the speed of the core game and fixing several things to make it run using as less CPU as possible, so we can increase the player limit actually works correctly with around 64 players. On the coming weekend we perhaps do release something. Keep reading.
pyarianne is a python wrapper module for arianne clients, so you can now develop arianne clients using Python and surely pygame :)