openSUSE:Leap:15.0 openSUSE Leap 15.0 https://download.opensuse.org/distribution/leap/15.0/repo/oss/ cantor Worksheet GUI for mathematical software A frontend to several existing mathematical software such as R, Sage and Maxima: Cantor. Cantor offers a worksheet as a nice GUI for all those backends and is not targeted to kids but to scientists.