i3 window manager packages (in build order):

  l/libev
  l/yajl
  x/font-awesome	# optional - iconic font
  x/xcb-util-xrm
  d/perl-common-sense
  d/perl-Types-Serialiser
  d/perl-Canary-Stability
  d/perl-JSON-XS
  d/perl-AnyEvent
  l/confuse
  i3/dmenu		# optional - rofi is recommended
  i3/rofi
  i3/i3-gaps
  i3/i3status
  i3/i3blocks

System-wide configuration is stored in /etc/i3/ directory.