This   file was uploaded  with <a href="//commons.wikimedia.org/wiki/Commons:Commonist" title="Commons:Commonist">Commonist</a>.
Engelbert Niehaus
CC BY 4.0
Contains part of a screenshot of the OpenSource Software <a href="https://en.wikipedia.org/wiki/en:BigBlueButton" class="extiw" title="w:en:BigBlueButton">BigBlueButton</a> - with a visible PDF document created by Engelbert Niehaus - annotated with LibreOffice Draw - Screenshot take at a testbed session at Unversity Koblenz Landau during COVID-19 pandemics - visible person in the webcam - Engelbert Niehaus - so no personal rights are affected. Due to licensing model of OpenSource software screenshots are allowed. The visible PDF document is also released as Open Content on a GitHub repository <a rel="nofollow" class="external free" href="https://github.com/niebert/wikiversity_files">https://github.com/niebert/wikiversity_files</a> by Engelbert Niehaus direct URL: <a rel="nofollow" class="external free" href="https://niebert.github.io/wikiversity_files/de/Videokonferenz/default_BBB_info.pdf">https://niebert.github.io/wikiversity_files/de/Videokonferenz/default_BBB_info.pdf</a> - Furthermore a permission for Screenshots with BBB was provided by Fred Dixon - developer of BBB - additional permission request might not be required due to the OpenSource licensing model of BBB.