@lanodan @domi @rozenglass @ignaloidas
Still, OpenWRT exists and supports a bunch of routers, and LineageOS exists and supports a bunch of phones.
Is it 100% open-source? No.
But it's enough that you can modify a lot of the interesting behaviours of the device.
I've never seen custom firmware for a non-Linux router.
I've heard there were firmware mods for Symbian phones, but AFAIK they were much more limited in what they change