The site is available here, this was developed by using Node. It features explanation on how to use the tool to download population data in Qgis and by using a python script.
Tovuti inapatikana hapa, imetengenezwa kwa kutumia Node. Ina maelezo ya jinsi ya kutumia programu ya kupakua takwimu za idadi ya watu kwenye Qgis na kwa kutumia python.