Cincom [1] has made the VisualWorks [2]. To my knowledge it was the best “contemporary” SmallTalk I’ve ever had played with:-) Later they killed the free personal licence so it was no joy anymore. Anyway I wonder what will the future of the Cincom SmallTalk look like.
[1] https://www.cincom.com
[2] https://www.cincomsmalltalk.com/main/products/visualworks/