Earlier this month, I blogged ItPlaysDoom, a service that listed and reviewed every single Doom port it could lay hands on. Since Doom is open source and was designed for antique hardware, practically any modern device with a screen is capable of running a Doom port — fancy toasters, watches, car stereos…
Now there's ItPlaysQuake — the site that catalogs the implementations of the likewise open-source Quake as hacker after hacker ports Quake to device after device.
(Thanks, Brandi!)