@nazokiyoubinbou @jalefkowit there are several attempts, such as PaleMoon, LibreWolf (FF fork), Fallon, Midori,... (https://alternativeto.net/software/firefox/?license=opensource). The problem, however, is that keeping up with the evolving web is challenging and this leads to the need to make money for the development of a product users are not willing to pay for.