I have dietary restrictions against Electron apps which is why I didn't mention Webrecorder player. Besides, last time I suggested anything touching node.js to LWN readers, the answer was a clear "nope" so I tend to thread carefully there as well. ;)
They link to the webrecorder repositories in the second paragraph though, including https://github.com/webrecorder/pywb
For those willing to set up a docker container, check out Warcworker[2].
[1] https://github.com/webrecorder/webrecorder-player
[2] https://github.com/peterk/warcworker