is the most widely used

Open Source forum solution

because of its easy to use administration panel and a user friendly frond end and support from a lage number of community. phpBB is used on over 2.4 million commercial, non-profit, social networking and community websites in over sixty languages. phpBB can quickly integrate into almost any content management system (CMS) or static website. I can

integrate and customize PHPBB

and maintain the phpbb to web sites, shopping cart, joomla, WordPress and phpBB integration, phpbb oscommerce integration, X-Cart phpBB Integration or community sites and

customize the phpbb

as per clients requirements. You can easily use phpBB as a general core instead of just a forum. phpBB can be easily integrated into PHP Nuke. I can easily integrate the phpbb to you site and make login on your own site and it will log you in to PHPBB too.