Hey there!
I created a simple importer for Google Keep. Somewhat restrictive at the moment and doesn’t import tags, images, or colors (mainly because I didn’t use those) but does properly parse hyperlinks in the anyblock format 
I made this before finding out about this community so I’m sure lots could be improved. Happy to take contributions or requests!
Great to see that, good work!
This will motivate me to post my version for Evernote 
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For images/files and tags, I’m guessing that the current AT import limits will also be a stumbling block.