xcompmgr: composite manager for shadows and transparency
xclip: clipboard manager for sending screenshot to clipboard
pulseaudio-utils: Sound system for POSTIX OSes.
graphicsmagick-imagemagick-compat: to use import command for screenshots.
qalc: command line calculator

sudo apt install xcompmgr xclip pulseaudio-utils graphicsmagick-imagemagick-compat qalc

feh-rand: same as feh but use a url to fetch random wallpapers. copy it to system PATH (/usr/local/bin).
i3lock-rand: lock i3 with random images from a path. copy it to system PATH.
i3config: my personal i3 config file. copy it to ~/.config/i3/config (Debian) or ~/.i3/config (Ubuntu).

custom shortcuts:

• CalculatorKey: open qalc calculator
• Super + Z: go to workspace 16 (my personal workspace)
• Super + PrintScreen: create a screenshot and save it to Pictures/date.jpg
• Super + Shift + PrintScreen: create a screenshot and send it to clipboard
• Super + Esc: focus on child
• Super + Pageup/Pagedown: go to next/perv workspace
• Super + /: pause or play spotify (you need to install sp)
• Super + <: play previous song in spotify (you need to install sp)
• Super + >: play next in song spotify (you need to install sp)
• [Super +] Volumeup/Volumedown: volume up/down
• Super + c: clipboard manager (you should install clipmenu)
• Super + Shift + x: move a window to scratchpad
• Super + x: show windows in scratchpad

i3status.conf: custom i3 bar status. this file auto loaded if copied to ~/.i3status.conf
Xresources: some custom config for better font rendering. copy it to ~/.Xresources and restart your X session.
xorg.conf.d: this directory contains some config files for device input management like synaptic touchpad manager (tap to click, two finger tap to right click) and etc. copy this folder to /etc/X11/ and restart your X session.