My forum is called InterfaithForums where we discuss and debate everything. We discuss and debate all religions, politics, philosophy, science, and much more. We have interactive workshops for belief systems, computer support and much more. We have a creative section where you can post your creative works.

our forum is about Airsoft Guns..
we created a group for airsoft community to discussed
topics about our airsoft hobby like upgrades, new guns , new gears, upcoming events etc.

check this out..
http://www.uaaph.com

My forum is a forum for forum admins (mouthful eh?) Basically I'm setting out to provide forum admins, owners and staff the things they want and need to make their forums more successful and more fun, for absolutely free.

http://www.forumkings.com

We've also got a contest running which gives the lucky winner a "forum in a box" prize!

Home Business at talkhomebusiness.com

My forums are made for forum owners, Admins, Moderators and Staff! We have discussions, Articles and a special, free, unique service called 'FHZ Personal Help'.

'FHZ Personal Help' is where you Submit your forums, and if accepted, I personally help your forums for a certain amount of Days, by a number of ways, including Registering on your forums and Posting, helping you Promote your forums, giving you Promoting tips and much more. I've even designed a Logo for someones forums!

fitness + health

www.fitnessforums.org

Really good job on the skin Pax

My forum is for automotive enthusiasts.

well i recently bought a domain for my forum, www.gamers-forum.com it is much better domain and much easier to remember, im working on getting more members on it, and im also trying to get started on another forum, i have a couple of ideas on what it should be about, it'll either be about computers only, a full counter strike forum, where they only talk about cs and ways to get better, and i have a couple of other ideas, i hope to get them started soon enough

One for web design (coding and graphic design), and one will be about web development

A martial arts tricking forum.

Mine is entertainment/humor

My forum is about nerds and what they like to do:

Mainly:
Computers (software, hardware, programming)
Web Design
Academics (History, English, Math, Science)
www.nerdcouncil.com/forum if you're interested.

I have a forum and a blog about pugs. my pugs. I'm doing pretty well with the blog, and I get a small amount of traffic on the forum, but not that much yet.

I think that forums are hard to start, but once you get them rolling, you've got something.