BBB is a fully open source web conferencing system for online learning. It can be used for distance learning and is equipped with features like screen sharing, whiteboard for presenters, video recording and more. BigBlueButton supports multiple users (means no cap on numbers of active webcams) and gives you complete freedom and flexibility to control the privacy and cost.
Fedena Big Blue Button Integration enables users to create online classes on your own big blue button server or Fedena BigBlueButton Hosting Service. To access Fedena service you need the Collaborate plugin and BBB(BigBlueButton) installed in your account.