WpForo is a relatively new forum plugin for WordPress. While it only launched in June 2016, thanks to daily updates and a supportive developer, this free plugin is increasing in popularity. It comes in different formats so that both regular discussion boards and question & answer style boards can be developed. Then it's possible to style a forum with different colors and functionality. WpForo is mobile sensitive as well and includes settings to allow an SEO-friendly URL structure to be set up.
As for controlling the discussion board, to make it simple, the plugin provides different moderation user functions.
In case you want to perform WpForo migration, CMS2CMS is your chance to do it in a painless way. Automated WpForo move is a great method to migrate easily and reliably to and from the WpForo platform which will absolutely hands-off transfer all your data.