New ask Hacker News story: Ask HN: What HN-like forum software is substack using?

Ask HN: What HN-like forum software is substack using?
4 by rsync | 0 comments on Hacker News.
I was recently introduced to substack[1] and was immediately impressed by the threaded discussion software that they are using. Here is an example: https://ift.tt/2svYFt6 What forum software are they using ? Is it homegrown/in-house ? Other than lobste.rs, it is the nicest clone of HN I have ever seen ... [1] https://substack.com/