How can I build a membership site with groups?

Check out the Drupal content management system and one of the plugins called Organic Groups:

For free use phpBB or else you may contact a web developer at website like .

The easiest way is startin a professional forum, setting its categories and skins.

If you are going to run forum site using vbulletin, then you can select BlueHost as your forum hosting plan. This service is superior with perfect server uptime (over the internet). BlueHost server is fast too, and it doesn’t cost you much, just $6.95/month.

They have a really great offer for hosting I have used them for over 3 yrs now, and have never had a single problem with them. (One of my websites is a forum site)

You can go there through the address below:

Here I have copied and pasted its features from their website to view:

- Multi-awarded
- Free Domain Forever
- 1500 Gigabyte Hosting Space
- 15000 GIGS of Transfer
- Host UNLIMITED Domains (Support All Domain Names)
- 2,500 POP/Imap Email Accounts
- SSH (Secure Shell), SSL, FTP, Stats
- CGI, Ruby (RoR), Perl, PHP, MySQL
- 2000/2002 Front Page Extensions
- Free Site Builder
- 24/7 Superb/Responsive Sales/Support
- Free Search Engine Submission

They also offer an installing service called Fantastico. By using this service, you can easily create your own forum etc.

******IMPORTANT*******
* This service was awarded as the best Web Host 2008.
* If you sign up for this service you will have $100 credits to advertise your created forum with the google yahoo search engines for free!
* If don't exactly know what technical features you need for setting up your website, I recommend BlueHost as a full-featured service which fulfills all your requirements.
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Good Luck!