Are you interested in creating an online forum where members of your community can engage with each other and offer each other advice? Then a discussion board or forum is for you. The best known platforms for forums include Lefora, Zoho, Drupal, PhpBB, Simple Machines, Vanila, JavaBB and vBulletin. Strengths Forums are a great way to build a relationship with customers and prospects. Weaknesses They require regular, ongoing time and energy to keep them running properly.