D. Moonfire is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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Bah, not sure what to work on:
1. Improving Atom's spell-check
2. Commission
So the answer was Atom. I pushed up a PR for my efforts.
I failed to get apm-beta working for Windows though. So, tiny, tiny screen.