Unix tutorial (local),VIM (book_pdf), xmgrace, gnuplot (tutorial_pdf), latex (CTAN, List_of_symbols_pdf), re, Atom editor ,

bash scripting (local_pdf_1, local_pdf_2), perl (CPAN).

Linux distributions:

Debian, Kubuntu, KNOPPIX, Nimblex, tomsrbt

Programming:

Fortran Compilers (g95, gfortran, intel_ifort), courses at Liverpool and tutorial (local_pdf)

python (HTTLCS), numpy-scipy, matplotlib, Julia