It would be nice if some more of these programs is included in portage http://richtech.ca/cgi-bin/seul/seulvw.pl?category=Language I don't know which of them are good though. Perhaps even a new category 'app-edu' for educational apps? Reproducible: Always Steps to Reproduce:
we'd rather have specific bugs on which to add, and contributed ebuilds. no need to add a whole bunch of packages that barely anyone uses.