But this is about building radios, which is easier (probably?) now. You can drag and drop an FM radio in pure software (well, with a USB dongle). Or if you in

But this is about building radios, which is easier (probably?) now. You can drag and drop an FM radio in pure software (well, with a USB dongle). Or if you insist on hardware, use free tools and cheap PCB services to prototype your radio, grab the parts from Digikey and follow a Youtube tutorial to solder it all together.