Hello. 
I`ve got an expierence with theese guys https://moneyfx.boardhost.com/viewtopic.php?pid=5460
https://mlmsoftwaremalaysia12.blogspot.com/2019/05/mlm-software-and-mlm-erp-development.html
https://www.moddingway.com/forums/showthread.php?mode=linear&tid=32098&pid=307187
https://www.jiwok.net/forum/viewtopic.php?f=11&t=627&start=100&st=0&sk=t&sd=a
https://www.projetoguri.org.br/forum/viewtopic.php?p=9908
  that were mentioned before. 
And I watned to translate thanks!

MichaelVig