asuswrt-merlin
on SourceForge
RT-AX68U/Beta/RT-AX68U_386.3_beta3.zip
GT-AX11000/Beta/GT-AX11000_386.3_beta3.zip
GT-AC2900/Beta/GT-AC2900_386.3_beta3.zip
RT-AX86U/Beta/RT-AX86U_386.3_beta3.zip
RT-AX58U/Beta/RT-AX58U_386.3_beta3.zip
RT-AX56U/Beta/RT-AX56U_386.3_beta3.zip
RT-AX88U/Beta/RT-AX88U_386.3_beta3.zip
asuswrt-merlin
on SourceForge
RT-AC86U/Beta/RT-AC86U_386.3_beta3.zip
RT-AC5300/Beta/RT-AC5300_386.3_beta3.zip
RT-AC3100/Beta/RT-AC3100_386.3_beta3.zip
RT-AC88U/Beta/RT-AC88U_386.3_beta3.zip