Entware-ng is A modern Optware/ipkg replacement ; Entware-ng is package repository for embedded devices. These packages allow you to add new functionality to your device. Most of them taken from OpenWRT, but others are unique.
Entware-ng exist for x86, x86_64 and armhf architecture
Entware-ng also replace astware to use common base for ALL OpenWRT platform
Optware/Ipkg is obsolete, not maintened and not secure ... (abandoned)