D.5.1 classify_lib procedures for the Arnold-classifier of singularities D.5.2 deform_lib procedures for computing miniversal deformation D.5.3 equising_lib procedures for equisingularity strata D.5.4 gaussman_lib procedures for gauss-manin connection of a singularity D.5.5 hnoether_lib procedures for the Hamburger-Noether (Puiseux) development D.5.6 mondromy_lib procedures to compute the monodromy of a singularity D.5.7 qhmoduli_lib procedures for moduli spaces of sqh-singularities D.5.8 sing_lib procedures for computing invariants of singularities D.5.9 spcurve_lib procedures for cm codimension 2 singularities D.5.10 spectrum_lib procedures for computing singularity spectra