Seems like a good time to mention the Demoscene, which feels like a similar concept but a bit more grassroots.

I'm not a participant in the Demoscene, but I admire both the technical and artistic creativity of what sceners produce.

Here are a couple sites for anyone who might be interested:

http://www.pouet.net/ http://www.pouet.net/prodlist.php?order=release https://www.scene.org/