anchor.diff:  
   {
     home.packages = with pkgs; [
  -
  -    qgis
  -    libnotify
  -    logisim
   
       # Considering:
       # passExtensions.pass-audit   # pass: auditing command
  
positive.code:     # bitwarden     # NixOS/nixpkgs: #51212
      # jabref        # NixOS/nixpkgs: #47113
      # passExtensions.pass-tomb # zeapo/Android-Password-Store: #329
      # postman       # NixOS/nixpkgs: #48466
  
      # System requirements (TODO nixify)
      blueman # bluetooth manager
      hicolor-icon-theme # icon theme
      librsvg # SVG renderer
      networkmanagerapplet  # network manager
  
      # system info
  
negative.code:     # Development
      jetbrains.idea-ultimate # Java IDE (UNFREE)
      # adoptopenjdk-hotspot-bin-11 maven3 # TODO nixify local Java projects
      jetbrains.pycharm-professional geckodriver # Python IDE (UNFREE)
      jetbrains.clion # C++ IDE (UNFREE)
      gcc gdb gnumake valgrind # C++ utilities
      python3 # TODO nixify Python projects
      universal-ctags # source code indexer (TODO Vim tagbar dependency)
      coq # proof assistant
      tlaplusToolbox tlaps # TLA+ tools
      rstudio R # R tools
      postman # API development
      # exercism # programming practice
      # rustc cargo
      # nixops
  
  