A python STUN client is ready on Google Code.

[Tim Chase]

> |I upload a new version. Add more print log into my code to help people
> | understand my program
> 
> Announcements should include a short paragraph explaining what the 
> announcement is about for those of us not in the know.  IE, what is 
> STUN? -- and therefore, what is a STUN client? 

I believe this STUN client refers to

http://en.wikipedia.org/wiki/Simple_traversal_of_UDP_over_NATs

which is used if both user A and user B are behind a NAT'ing 
(Network Address Translating) firewall, and need to talk directly 
with each other.

-tkc