Is there a better word for 'hackathon'?

In a recent event where a hackathon was organized, the organizer felt the need to emphasize multiple times that the hackathon wasn&rsquo;t just &ldquo;for crazy programmers who code all night long&rdquo; but was more broadly open to all forms of co-creation between the attendees. It reminded me that I have some problems with this word, which I want to summarize here. To me, the word…