Also shared these other times:

https://news.ycombinator.com/item?id=12339966

https://news.ycombinator.com/item?id=12349553

https://news.ycombinator.com/item?id=12344166

https://news.ycombinator.com/item?id=10266622

https://news.ycombinator.com/item?id=12352921

https://news.ycombinator.com/item?id=11346470

https://news.ycombinator.com/item?id=12369073

https://news.ycombinator.com/item?id=12334934

https://news.ycombinator.com/item?id=12341145

As ever I check HN several times a day, and even go to the trouble of checking the new items feed, but I had not seen it before.

Someone had posted a list of books recommended on HN, perhaps one on GitHub projects would be a help too; albeit without the glint of affiliate cuts on purchases.