Designers have Dribbble, Behance, etc. Businessmen have LinkedIn. HN is nice for simple article links but is hardly a robust network. Where are the social networks for programmers/hackers?
Do they need it? There are twitter, reddit, HN, irc, stackexchange, Github, and facebook itself. Why programmers & hackers need special social network if they can interact with many networks?
<a href="http://versioneye.com/" rel="nofollow">http://versioneye.com/</a> is a community around Software Libraries. They will release a news wall with comments and statuses in the next weeks.