Nim i3status is a simple status bar for i3 implemented in Nim.

It’s meant to be lightweight on your CPU and consume less power than other status bars.

Supported monitors: Clock, Battery, CPU, Disk space, Memory, Network status and traffic, Swap, Temperature

Supported controls: Player control, Pomodoro method, RedShift

Installation:

$ sudo apt-get install nim
$ nimble install nimi3status

Copy and edit example.conf.json - then configure your ~/.config/i3/config:

status_command ~/.nimble/bin/nimi3status <path>/<any_name>.conf.json