Stack runs on Mac and Windows.
We also have an alpha version on Linux which can be accessed from our web-page. But keep in mind, it's alpha, so full of bugs, and has low priority support from the team!
We will make the release beta at the end of 2021.
So stay tuned!
P.s. The information given above may be irrelevant or outdated. We will be updating the page soon. Sorry for the inconvenience and thank you for your patience!