> Out of all the big orgs, Amazon is probably the one that has the least regard for keeping technically interesting projects alive
I'm curious what you mean by this. I would have said the exact opposite - AWS tends to keep projects around for a very long time. They haven't acquired very many open-source projects, but the few that they have are all still running as far as I know.
Fig, was one of them but was only partially opens source IIRC. CLI autocomplete and script team sync. Turned into/integrated into Amazon Q, which turned into Kiro CLI, which AFAIK doesn't share any functionality with the original product nowadays.