Add 'virtviewer'
Add console web browsers: w3m, elinks, lynx
Add 'dhex', a console hex editor with a diff mode
Add 'irssi'
Add 'dash'

Useful for weeding out bashism from shell scripts.
Add 'remake', a make utility with enhanced debugger
Add 'which'

Because 1) some software requires it (e.g. Buildroot) and 2) 'which -a'
quickly shows all locations of a binary (e.g. if it's installed in
multiple profiles).
Add 'simplescreenrecorder'
Add 'wine'
Add password generators: apg, pwgen
Change cmake -> cmakeWithGui (adds ncurses UI + Qt GUI)
Add linux 'perf'
Add 'winpdb'
Add 'poppler' package (for 'pdftotext' etc.)
Change nmap -> nmap_graphical (superset)
Add 'tcpdump'
Add 'vifm'
Add 'python2nix'
Add 'kalibrate-rtl'
Add 'surfraw'