https://bigbluebutton.org/2018/03/22/growth-numbers/
https://bigbluebutton.org/2018/07/09/greenlight-2-0/
https://bigbluebutton.org/2018/03/28/install-bigbluebutton-in-15-minutes/
开源教育社区 / OpenSource Education Community
https://bigbluebutton.org/2018/03/22/growth-numbers/
https://bigbluebutton.org/2018/07/09/greenlight-2-0/
https://bigbluebutton.org/2018/03/28/install-bigbluebutton-in-15-minutes/