This is a page, mostly for me, for sites that I think are interesting about Vintage Tech, I might be blurring some lines here and there on what “vintage” is so feel free to file any complaints here.
General Sites
https://www.old-computers.com
http://www.oldcomputers.net/
GameBoy
This section will likely get its own page at some point but for now, here is my repository of all things GameBoy
VisualBoy Advance | Gameboy Emulation on Linux
https://gbdev.io/
http://mgba.io/