Gaussian-16
VASP
Multiwfn
VESTA
Gauss-View
Molden
ChemCraft
Crystal Explorer
Avogadro etc.
Terminal (bash/zsh)
Basic Python (Numpy, Molmod, MatPlotlib) (Mostly using AI to make Python Scripts)
ChemDraw
Origin
MS Office Suite (Excel, Word, Powerpoint) etc.