Similar 'old' software, I really enjoy and it runs as portable (on Windows): home planet https://www.fourmilab.ch/homeplanet/ https://www.fourmilab.ch/homeplan

Similar 'old' software, I really enjoy and it runs as portable (on Windows): home planet https://www.fourmilab.ch/homeplanet/ https://www.fourmilab.ch/homeplanet/ It's so old it talks about "downloading on dial-up connections", though the hiomepage is up to date (and full of gems)