A general overview of the Orange PI Zero LTS version

http://www.orangepi.org/orangepizerolts/

https://www.geeky-gadgets.com/raspberry-pi-alternative-12-08-2019/

This is the one I really liked

https://www.cnx-software.com/2019/07/31/buy-orange-pi-zero-lts-sbc/

This is were the software is

https://www.armbian.org