A lot of Galleries, Libraries, Archives and Museums (GLAMs) donate content to Wikimedia Commons so that it can be used on Wikipedia and on other platforms. The GLAMwiki Toolset is a relatively new software solution that to upload large amounts of files to Wikimedia Commons.
Circular content founder Sebastiaan ter Burg developed a workshop aimed at employees of museums, Wikipedians in Residence and Wikimedia volunteers to learn to work with the Toolset. He also wrote the manual for the toolset.
The workshop also involves the developer of the Toolset and volunteers that have hands on experience.