What are /r/sml's favorite Products & Services?

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Hey, good to find this topic! This year I am also trying to solve with SML(NJ). If you want, check out my repository https://notabug.org/ZelphirKaltstahl/advent-of-code-2021. I already see there are some things / tricks to learn from your repo. Thanks for sharing!

By the way, it isn't on the page yet, but Eugenia Cheng (who you may know from this: https://byorgey.wordpress.com/catsters-guide-2/ and from this: http://www.amazon.com/How-Bake-Pi-Exploration-Mathematics/dp/0465051715) will be giving a keynote.