some older and removed packages maybe to update

[Ben Tris <benattris@gezapig.nl>]

Found some maybe interesting still developed.

I can not help further (no packaging experience or whatever).

calculix-ccx-test
calculix-ccx-doc
fastjet (phys)
https://svn.hepforge.org/fastjetsvn/contrib/trunk/

irstlm
https://github.com/irstlm-team/irstlm

clhep (phys)
https://gitlab.cern.ch/CLHEP/CLHEP

cliquer (math)
https://github.com/dimpase/autocliquer

nfft (math)
https://github.com/NFFT/nfft

siscone (phys)
https://phab.hepforge.org/source/sisconesvn/

gone

slicer (guess is the same) (med)
https://github.com/Slicer/Slicer

worldwind (maybe free now) (astro)
https://github.com/NASAWorldWind/WorldWindJava

scilab-metanet (math)
https://forge.scilab.org/index.php/p/metanet/source/tree/master/

feel++
https://github.com/feelpp/feelpp

mmtk (bio)
https://github.com/khinsen/mmtk

root-system (phys)
https://github.com/root-project/root

aster
https://sourceforge.net/p/codeaster/src/ci/default/tree/

elmerfem
elmer-doc
https://github.com/ElmerCSC/elmerfem