As I understand it, the SageMathCloud is closed source. Yet it is making extensive use of open-source code. Maybe the closed source bits don't link to the open-source bits, though I find it a bit hard to believe. If it did not link, it would not that be against the GPL? Or I guess if the code is not distibuted, but only kept on a server, it probably gets around the GPL.
If not against the GPL, this certainly seems to be going against the *spirit* of the Sage project. It looks as though the intention is to charge for access to a web service which makes use of open-source code developed by many - myself included. One might argue it is the same with any web service making use of Apache for example, although I still think a closed-source SageMathCloud is pushing the limits of what some (myself included), find morally acceptable. The only comment on the Wikipedia talk page http://en.wikipedia.org/wiki/Talk:SageMathCloud says "Unfortunately, some part of it is becoming closed source. And, they will charge for the many of the services..." I don't know who wrote that, but it was not me. Maybe it is legal. I don't think it is morally right. Dave -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
