> I recall Frank Ruben also made a nice list last year, but I can't find
> it under Schemedoc or gist.github.com right now. I'll search my email
> archives.

Found the email he sent - here are the links:

> Recently I started to cobble together a dynamically generated table of SRFIs per Scheme, screen scraping the information from the web-site of each supported implementation. I did this mostly as an exercise, but also in the hope that it could be useful - and Arthur was kind enough to encourage me to announce the first results here.
> You can find the current output as markdown (where HTML generation is also already possible) in the gist here:
>     https://gist.github.com/FrankRuben/0b0a164954b023bfb7492c372775d06a.
>
> The related source code (Scheme-hobbyist-quality...) is currently also just been put into a gist, see:
>      https://gist.github.com/FrankRuben/f0d381297dee20384b4ccbd5ba1dbe3c.

Unfortunately, those gists are no longer online. Did we copy them
somewhere? I can't find them on my computer (though my files are a mess).