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Michael Nielsen has a beautiful new essay on moral imagination: the ability humans have to 'develop and transmit new notions of good action, indeed, even new kinds of good'.
As examples, he gives:
* Hammurabi's creation of a code of laws (in 1754 BCE) and his justification of his rule not in terms of divine or hereditary right, but by the delivery of justice to his citizens.
* St Gregory of Nyssa's...
I would say https://80000hours.org/ is the main one, there's also https://www.probablygood.org/ and you might also include https://non-trivial.org/.
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