- https://github.com/martinrusev/imbox has a flushed out single long example, most stars
- https://github.com/mjs/imapclient/ got the most upvotes on so (8), has shorter single example, updated today

i'm going to plan to start with this one I think. imapclient.

- https://github.com/ikvk/imap_tools has the most regularly commit activity, first mail downloading example is shortest, more docs follow