Guix science team takes care about: algebra,nastronomy, chemistry, Fortran, geo, graph, lean, maths, medical, sagemath, statistics
I think it's time to add physics!
One of the longest package I've ever seen...
https://codeberg.org/guix/guix/pulls/6360
https://www.mantidproject.org/
The Mantid Framework to visualise, manipulate and analyse neutron and muon scattering data.