BigBlueButton's pads manager
At your BigBlueButton server, clone and install this app:
git clone https://github.com/bigbluebutton/bbb-pads.git
cd bbb-pads
npm install
Copy the settings' template file and replace ETHERPAD_API_KEY
with your Etherpad's server API key
cp config/settings.json.template config/settings.json
Run the app:
npm start