[DotGNU]where can I start dotgnu project?

[Lee Jung-hun]

Hello, everyone.

I`m a system/network programmer, majored computer science.

I have experience with C programming(mostly system programming)
, TCP/IP networking, 
and many script(Python, Perl, PHP, javascript and so on)

I read so many web page related with dotgnu, for example, 
http://dotgnu.org, http://freedevelopers.net
But I cannot find how to join, and start develop 
dotgnu project.

I take great interest in system/network programming,
mostly on GNU/Linux platform.

I need your advice.
Where can i start, join project, and how can i start develop?