Picbreeder

[cwmartin]

https://nbenko1.github.io/

[pagana]

Very fun. My attempt to "breed" a face:

https://pasteboard.co/V8BwJFPuCVil.png

The experience of finding a trait that you want and then working to preserve it was interesting.

[jmmcd]

Notice this is a reimplementation in js. It's hosted on GitHub with no db. The original was a bit more sophisticated, with a lot of collaborative breeding stuff enabled by server-side code.