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This is a painstaking software remake. It's mostly geared towards making a vst to use as a synth, but you can play old sid files using various chipsets. https://www.plogue.com/products/chipsynth-c64.html

Previously on HN: https://news.ycombinator.com/item?id=38556261.

I use https://zxtune.bitbucket.io/ on Windows and Linux. It's cross platform for Mac too and I imagine it works.

SIDPLAY for macOS / Mac OS X

http://www.sidmusic.org/sidplay/mac/

I use VLC on macOS. I think it uses reSID.