TeamLab is a free open-source platform for business collaboration and project management. It allows you to use social networking tools such as blogs and forums, organize business tasks and milestones, as well as communicate with your team members via corporate IM.
Just a few clicks to get the discussion started on Lefora free forum hosting service. With community Moderation and Anti-Spam support, email notifications, RSS, newsletters, and search engine (SEO) friendly, videos, photos, threaded discussions, unread tracking and rich text editors, and much more.
Omgili is a search engine designed to index web-based discussion forums. Omgili's unique algorithm analyzes forums not as a simple web page, but as an active discussion with a title, topic and replies.