SharePoint Forum Web Part + Standard Support
With KWizCom SharePoint Forum Web Part you can give your users the power of a real internet forum! KWizCom SharePoint Forum Web Part supports MOSS 2007 / WSS 3.0. KWizCom SharePoint Forum Web Part enhances the SharePoint discussions list and provides a more "web"-oriented, easy to use groups interfaces. Add the KWizCom Forum Web Part to any page on your SharePoint site and connect it to any standard discussion list on the same site or on other SharePoint sites (which enable you to implement cross-site groups).