Join the ##solofounders channel on freenode
I just created the ##solofounders channel on freenode. As the channel name suggests it's for startups or ongoing businesses created by a single founder. Stop by if you are interested.
There's also the sometimes-existential question of being solo, which, yes, brings a whole new set of issues to the table around working habits, motivation, funding, etc.
It takes a significant number of people to kickstart a new community and even though I'm right in the middle of the target audience I'll stick to #start-ups simply because you can only monitor so many inputs.
The same happens to sites that try to run alternatives to HN for some subset of the information (or even for a different kind of information), they invariably have a huge peak on day one and then they die within a few days, months at best.
The one exception eventually died because the owner didn't put in the effort to keep it going.
Starting a new community is not as easy as announcing one.
Link to startups: http://webchat.freenode.net?channels=%23startups&uio=d4
(For those who've never used IRC)
I wanted to stay within the freenode etiquette so I used ##solofounders since its not really a project.
Freenode ironically isn't very free.