What is Demoscene?
The demoscene is an international computer art subculture that specializes in producing demos: small, self-contained computer programs that produce audio-visual presentations. The main goal of a demo is to show off programming, artistic, and musical skills.

Under this heading we can share demoscene examples we like. Let's do the opening with Charles Deenen.

https://www.youtube.com/watch?v=0XJiNYoguk8