I would also add that last I heard Onyx was probably violating the GPL if that is a decision factor for anybody reading this https://news.ycombinator.com/item?i

I would also add that last I heard Onyx was probably violating the GPL if that is a decision factor for anybody reading this https://news.ycombinator.com/item?id=23735962 https://news.ycombinator.com/item?id=23735962 (please correct me if there were more recent developments)